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USS Dolphin SS 169 (ex-V-7)
Exterior Photos | Interior Photos

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The USS Dolphin Interior Diagram. The photos in the following sequences begin at the right and work their way to the left or aft. The Torpedo Rooms are unmarked as they are pretty self explanatory.

Working from Right to Left the letter combinations are:
WL, Windless Room;
WR, Ward Room;
RD, Radio Room;
CNT, Control Room;
(above the Control Room is the Conning Tower, below is the Pump Room and Cold Room)
CREW, Crews Quarters and Dining Room;
GLY, Ships Galley or Kitchen;
SR, Store Room;
GEN RM, Generator Room;
EN RM, Engine Room;
(above) MAN, Maneuvering Room;
(below) MTR, Motor Room;
CPO, Chief Petty Officers Quarters.

Drawing from "US Submarines Through 1945" by Norman Friedman
Annotated by Ric Hedman For PigBoats.COM

The photos were taken on three different dates; Friday June 5, 1931; Sunday July 3, 1932 and Wednesday July 8, 1931 at Portsmouth Navy Yard.
These are the only Interior Construction images discovered to date and were contributed by Naval Researcher Tracy White.

Construction Photos
Forward Torpedo Room

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001

This is the Dolphin's forward Torpedo Room under construction. At the forward end of the compartment are the openings for four of her six torpedo tubes (the other two are in the stern). The tubes themselves have not yet been installed. Views of the shipyard are visible through the openings.

It is noted by the light seen between the frames that the hull plating has yet to be completed.

Dolphin has been reported in several authoritative history texts has having been of fully riveted construction. Yet, in the lower left-hand corner of this photo welding beads can be seen where the I-beam frames meet the deck (actually the top of the forward trim tank). There is also a line of rivets running port to starboard along the top of the deck.

This photo, along with photos 015 and 016 on the Dolphin Exterior Photos page are proof positive that this boat was built to a partial-riveted/partial welded construction method, over a year prior to the start of construction of the USS Cuttlefish (SS-171) at Electric Boat. The Cuttlefish is incorrectly believed to be the first welded submarine by most historians.

US Navy Photo Contributed by Tracy White
Captions by Dave Johnston and Ric Hedman

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002

This is the Dolphin's forward Torpedo Room just shy of 13 months later, still under construction. At the forward end of the compartment the four torpedo tubes have been installed and mostly plumbed. Equipment is being installed and the room is nearing completion. The large brackets installed on the frames are to hold the MK14 torpedo weighing 3300 pounds. Dolphin was designed to carry 18 of these weapons.

Dolphin's forward escape trunk can be seen above where the planks cross. The angled ladder leading to the trunk is seen leading into the trunk. In the upper left a large rod is seen. This is the mechanical linkage for the bow planes that runs back to the control wheel in the control room.

US Navy Photo Contributed by Tracy White
Captions by Dave Johnston and Ric Hedman

Construction Photos
Motor Generator Room

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003

This is the Dolphin's Generator Room, the next compartment aft of the After Battery. The starboard generator engine has been installed and the view is looking forward. The forward walking deck has not been completed and the sheet metal sides of the storerooms around the galley and Chief's dining area can be seen.

One more engine will be installed, and this will be lowered into the space via an opening in the hull above the wood ladder. Engineering spaces had what is called a "soft patch" in the hull that was bolted to the pressure hull to allow large pieces of equipment to be removed, repaired or replaced without needless cutting into the hull.

These engines were installed "backwards" in the space, with the generator attached to the crankshaft on the forward end of the engine; the generator itself is in the space underneath the storerooms and galley. The storerooms and galley are technically in the Generator Room and not the traditional position in the After Battery. The amount of work left to complete in this space is considerable; compare this photo with photo 103 below of the completed space.

US Navy Photo Contributed by Tracy White
Captions by Dave Johnston and Ric Hedman

The photos shown below were taken on Sunday July 2, Monday July 3 and Tuesday July 4, 1933 at Portsmouth Navy Yard.
These Photos are of the Completed Submarine.

Windless Room

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Dolphin was the last submarine to have an enclosed dry compartment for the operating gear for the deck Windless. In this room can be seen two of the Dolphin Life Rings and the Outboard Motor for the ships boat stored under the fore deck. The after stored boat was an inboard powered vessel. This compartment was accessed from the Forward Escape Trunk.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

Forward Torpedo Room

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The USS Dolphin interior photo of the Forward Torpedo Room. The view shows the forward half of the room including the four Torpedo Tubes and operating valves.

The image was taken 13 months after the submarine had been commissioned. There are no torpedoes loaded at the time the picture was taken as she was at the Portsmouth Naval Shipyard from March 23, 1933 for final trials and acceptance and remaining there until August 1, 1933.

The ventilation ducting in the overhead splits around the Torpedo Room Deck Hatch. A ladder would attach to the forward side of the hatch. In this photo the ladder is laying on the top torpedo rack on the left or Port side of the room.

The rod seen running along the top of the compartment to the left is the mechanical linkage for the bow planes.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Close up of the torpedo tube doors on the USS Dolphin. The torpedo support stanchions in front of the tubes appear to be non-removable. On close analysis of the bases of these there appear to be bolts holding frames to the deck.

The appearance that they look like they interfere with loading the lower tubes we think is a trick of angle with the camera. We believe the fore shortening effect of the camera makes them seem closer to the tubes and doors than they really are.

The curved lockers on the port side are unusual. We have not seen lockers shaped like this before.

If you look at the hull shape surrounding the tube doors you can see that the Navy was still building elliptical hull shapes. The hull is taller than it is wide.

At the upper left portion of the view is the mechanical linkage for the bow planes.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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The USS Dolphin Forward Torpedo Room looking aft. Bunks and torpedo storage racks can be seen to each side. There would be storage for 12 torpedoes here. That means one in each tube and two reloads for each tube.

Note the torpedo loading hatch in the overhead just aft of the screened in enclosure. The wheel and the electronics on the aft bulkhead are for the Q series sonar heads with the periscope looking shaft used to lower the heads below the keel for use.

To the left is a small room. At this time we have no idea what this was for. Above is a small work area with a bench and vice plus a large electrical cabinet.

The rod running across the face of the overhead locker in the upper right of the view is the mechanical linkage for the bow planes.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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We call this the "Mystery Room". More research will probably tell us what this space was used for but until then this is the Mystery Room. It has a well used sliding door that has made scrape marks on the metal bulkhead and has an upper and lower ventilations screens at the inboard end. Part of a dial can be seen through the upper one. The overhead of the room forms a mezzanine with a large electrical cabinet and work bench with a vice. What was it used for? Unknown at this point.

Leading against the door is a board that shows which officers are aboard and which are ashore. It also show who the Duty Officer and Duty Chief were and what the Duty Section was and something called the "Liberty Express". We are not familiar with this expression. It could possibly mean duty sections on liberty or not on duty. The board will be mounted to a bulkhead someplace or possibly taken topside while moored in port.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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The wheel and the electronics on the aft bulkhead are for the Q series sonar heads with the periscope looking shaft used to lower the heads below the keel for use.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

Forward Escape Trunk

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This is looking up at the bottom of the Torpedo Room Escape Hatch of the USS Dolphin. The bottom hatch seems to oval in shape and offset at an angle. To the left are the Torpedo Tubes and the Bow. To the right is aft. The glare coming down the hatch makes it hard to see any detail of the Escape Trunk itself.

The articulated rod in the upper portion of the view is the mechanical linkage for the bow planes.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

Ward Room

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Looking aft at the Dolphin Ward Room. The ward room is "Officers Country" where they ate, hung out and socialized. The chairs are of a folding type and have leather backs and seats. A chair of the same type can be seen in the Captains stateroom.

A counter is at the left that held dishes, linens and silver service such as serving bowls and platters and knives and forks. An electric coffee pot sits on the counter with a coffee cup on top that is turned up side down, in Navy parlance, meaning there is no coffee.

Seen stowed in the overhead are a number of rifles and sub machine guns.

A storage unit on the the hull has cubbies for each officer for his paperwork.

The large rod just below the light fixture is the mechanical linkage for the bow planes.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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A closer look at the guns stored in brackets in the overhead. Visible are three Thompson Sub Machine Guns. The part hanging down are the hand grips. Also seen are the butts of what are probably two M1903, 30-06 caliber Springfield Rifles. This rifle was known as the "United States Rifle" and was in general use in the military up into the early years of WW II when it was replaced by the M1 Garand.

The large rod running left to right in the bottom of the photo is the mechanical linkage for the bow planes.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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A close up of the counter that held dishes, linens and silver service such as serving bowls and platters and knives and forks. An electric coffee pot sits on the counter with a coffee cup on top that is turned up side down, in Navy parlance, meaning there is no coffee. For the record, the fan is spinning as the photo was taken.

The large rod in the upper part of the photo is the mechanical linkage for the bow planes.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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The Ward Room of USS Dolphin. If we are understanding the seating arrangements correctly, it seems to be turned 90 degrees to conventional. Seating as we have understood it the Captain sits at the "head" of the table which on US submarines was the after end of the table. and in descending order of rank the other officers. Here it seems to indicate that the Captain sat at the inboard end of the table and the other officers sat on the fore and aft sides. Not sure if that was followed in any later classes of submarines.

The large rod in the top left of the photo and going through the bulkhead is the mechanical linkage for the bow planes.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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This close up of the library shows a collection of popular reading material and technical books. A closer look shows only a few books titles can actually be read. The box on the right bulkhead is probably a radio receiver.

The Chelsea clock shows that this photo was taken at ten fifty eight in the morning on July 3, 1933. Chelsea Clocks are one of the most accurate marine clocks in the world.

The large rod seen at left in the overhead is the mechanical linkage from Control to the Bow Planes.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Books on the book shelf. A number of titles can be made out but overall the resolution isn't good enough to read them all.

One of the titles is: "The Case of the April Fools" published in 1933 by Christopher Bush. Part of a mystery novel series. Another is: "The Ear in the Wall" by Arthur B. Reeve. The last one we can read the title of is "The Hawk(s) Eye" but we can find no information on it.

This is a good representation of the mixture of books taken to sea between the technical and recreational. Though the books are in the Ward Room they are probably available to the whole crew.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Books on the book shelf. A number of titles can be made out but overall the resolution isn't good enough to read all of them.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Getting a peek through the door from the Ward Room into the passageway shows the water tight door to the forward Torpedo Room.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

Officers Head & Shower Room

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This is a look across the passageway from the Ward Room doorway, through the open sliding door, into the officers head of the USS Dolphin. Seen are at least a single marine toilet and one shower room (to the left). To the left (forward) of the toilet is most likely one or two wash basins. The ships company of officers was designated as five so the space needn't too large.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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A close up look into the Officer Head and the Marine toilet.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

Commanding Officer Stateroom

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The Captains Stateroom. This is the only officers stateroom we have a photo of. There were probably two or maybe three more. The Captains stateroom was directly aft of the Ward Room and aft of that was the Radio Room on the port side. More staterooms for Junior Officers were on the starboard side, there were probably two rooms with bunks for two or three officers. Aft of those may have been the ships office, a fore shadowing of what was to be the conventional layout for submarines for the next twenty years.

The large rod in the overhead to the left of the mirror is the mechanical linkage for the bow planes.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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A closer look at the lower bulkhead area under the sink and showing what is probably a portable electric heater. The manual Ballast Tank Flood Valve handle is seen to the left near the deck.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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From the Captain's stateroom a look out the door and across the passageway at the door to the Officers Head.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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A view looking aft in the Captains stateroom. A large bunk with a fine wood bunk frame and a spare upper bunk above for a high ranking guest are seen on the right or port side of the room. The Captains desk is against the after bulkhead.

The large rod coming through the bulkhead in the top right of the view is the mechanical linkage for the bow planes.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Folding office chair with leather back and seat. The same chairs can be seen in the Ward Room.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Commanding Officer Lieutenant John B Griggs jr. name plate sitting on his desk.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

Lieutenant John B Griggs Jr

Commanding Officer Lieutenant John B Griggs Jr. as seen in a news paper photograph.

From December 5, 1921 to January 4, 1923 Ltjg John B. Griggs jr was the Commanding Officer of the USS K-2 SS 33. He was the last operational Commanding Officer of the K-2. He turned the K-2 over to Lt. James D. Jacobs for decommissioning in March 1923.

News Paper Photo

Forward Battery

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The forward Battery well of the Dolphin showing the arrangement of batteries and the battery cell ventilation system piping identified by Submarine Historian Jim Christley. At the left a two wire extension cord is seen, probably used for the lights for lighting the space for this photo.

There was not enough space in the battery well for a man to stand up. He could only crawl along the wooden deck planks. Prior to entering the well the crewman removed all metal from his body to ensure he would not accidentally short a battery cell and get electrocuted.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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The forward Battery well of the Dolphin looking aft showing the arrangement of battery cell ventilation system piping as well as at the aft end of the space are the main battery disconnects that isolated the battery from the rest of the electrical bus.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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The USS Dolphin Forward Battery Main Battery Disconnects that isolated the battery from the rest of the electrical bus.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

Radio Room

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Aft of the Captains stateroom is the Dolphins Radio Room.

The following quotes are from Jon Krup who served in the Navy in early 1960's. He has these speculations on what we see here; "...the three pieces of equipment [above the desk] appear to be radio receivers.

"Above them and to the left (above the loudspeaker), are what appear to be drawers. They are the necessary electronics to change frequency bands on the receivers. Pull one out and install in the radio and you are on the 10 MHz band. Another would put you on the 15 MHZ band, etc. The transmitters are out of the frame to the right. They appear to be either RCA, Collins or possibly Westinghouse receivers, more than likely Collins. Definitely tube type."

"The drawers contained capacitors, coils (tuned circuits) and crystals specifically cut for a certain frequency band. There is in the upper right of the panels, a tuning dial - either a moving paper, or a rotating card, back lit, with multiple number scales, coordinated with the (I'm going to call them ) tuning drawers. Put in drawer #1 and use scale #1 to go with it, etc."

The rod seen to the left of the ceramic insulators at the top of the photo is the mechanical linkage for the bow planes.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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The USS Dolphin Radio Room looking aft;

The following quotes are from Jon Krup who served in the Navy in early 1960's. "This is definitely the transmitter, more than likely specially designed for submarines. Note that it doesn't "go back into the wall" very far.

I see no tuner dial on it, so I have to assume it is crystal controlled. There would be a small box containing crystals especially cut for the frequencies that submarines would use/be authorized to use. The radioman could change crystals depending on their location, time of day, and the atmospheric conditions. By atmospheric conditions, I don't mean weather, but what's happening up in the ionosphere. This could include the proximity of lightning, sun spots and the aurora. These frequencies would be set by the operational orders of that particular boat, and is coordinated with COMSUBLANT and COMSUBPAC.

"The transmitter appears to be made by MCA, according to a plaque on the lower left corner, behind the chair. I can't quite make it out, but will, again, nose around the internet.

"Note that they would only operate with Morse code. Voice transmissions were probably not permitted at that time, nor were they able with this transmitter. To talk ship to ship would be in Morse code until the boats got close enough to holler across the distance with megaphones."

Further research has indicated that Dolphin had voice capabilities

The large rod that runs at an angle along the overhead is the mechanical linkage for the bow planes.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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This plate has been rotated 180 degrees for readability. At the top of the previous photo an oval access into the overhead can be seen. This sign identifies what antennas are there.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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The USS Dolphin Radio Room looking outboard to port. Chairs are of a different type than seen in the Ward Room. Between the chairs down almost at deck level we see another of the manual Ballast Tank Flood Valve handles.

The large rod that runs across upper portion of the image is the mechanical linkage for the bow planes.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

Control Room

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The primary gyrocompass is the black barrel shaped object just inside the door. The black box directly aft and next to the helm I believe to be the gyrocompass repeater that took inputs from the gyro and indicated the course you were steering.

In the center above the helm wheel is the rudder angle indicator, flanked on both sides by the engine order telegraphs. The lever on the vertical shaft was used to engage/disengage the control room helm from the conning tower and bridge helm.

Which helm would have been the primary station for submerged operations? I would lean towards the conning tower, but that opinion might be flavored by what was done in combat in WWII and may not necessarily reflect pre-war 1930's practice.

Large levers next to helm are for switching from normal hydraulic to hand hydraulic. In hand hydraulic you spun the wheel to develop hydraulic pressure and this was a very laborious process.

Oval hatch in deck next to helm most likely leads to a store room. Note speaking tube to conning tower above the helm.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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The view looking aft from the front of the Control Room. The motor on the deck in the center is suspected to be the hoist motor for the Control Room and Conning Tower periscopes. The location of the control room scope does not seem to be in a good place. It is at the far aft end of the room behind the ladder to the Conning Tower and cut off from direct view of the helm.

Open grate in the deck leads most likely to the Pump Room and the grating is for drainage of any flooding into the Pump Room, where it can be pumped out through the main drainage system.

The square hatch is suspected to be the access to the Cold Room/Freezer. The padlock seen on the hatch seems to correspond to other food storage areas with padlocks making us think this is that space. Drawings indicate that the Cold Room/Freezer was directly under the middle of the Control Room.

On the right edge of the photo, just below the polished bell of the speaking tube, and above the battle lantern, is the mechanical linkage for the bow planes coming out of the angled enclosure just above and to the right of the bow planes control wheel..

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Crewman, possibly the below decks watch. This is the only photo in the whole sequence showing crew aboard. Date is July 3, 1933. Hopefully he had the next day off to celebrate.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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A look at the after starboard corner of the Dolphin Control Room. Electrical panel in the left foreground and next to the door Fuel Oil Ballast Tank transfer piping.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Main Ballast Tank Fuel Oil Valves. Several large tags on the handles say "Fuel Oil Do Not Blow"

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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A hull opening indicator, commonly called a Christmas Tree by submarine sailors due to it red and green lights, sits next to the ladder up to the Conning Tower. View is looking aft and to port.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

Close up of one of two Christmas Trees it seems. Another is seen on the forward bulkhead of the Control Room.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Stern planes on the left, bow planes on the right. Two shallow water depth gauges with the deep water gauge in the center. Horizontal bubble clinometer gauges for angle. Rudder angle indicator is probably for the Diving Officer to keep in the loop.

The large angled sheet metal enclosures, to the left and right of the stern planes and bow planes, cover the mechanical linkages for the stern and bow planes control rods.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Depth gauge show the density of salt water at a specific gravity of 1.025. Salt water weighs approximately 8.9 pounds per gallon. Fresh water at 8.5 pounds.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Another view of the Dolphin Control Room looking forward this time showing some detail in the forward port corner of the room. The enclosed cabinet in the far corner is probably an electrical equipment storage space. Spare parts, fuses, tubes, etc. It's purpose is not known for sure at the present time.

Leading forward from the very upper left corner of the image is the mechanical linkage for the bow planes.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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A second Christmas Tree appears to be on the left of the photo. Open and Shut indicators are evident but no location names can be read. Notice the engine order telegraphs. The lower set are used by the helmsman to send orders aft, the upper set indicates that Maneuvering has acknowledged the order.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Close up of what is most likely the hydraulics for opening the vents and Kindston for the Submarines Ballast and Auxiliary tankage. It seems that only the Main Middle Ballast Tanks, Port and Starboard and the Safety tank have Kingston valves, The last signage on the right has the word "Ventilation" but we do not know if there was any other description that went with this and why was it on a diving valve manifold? Perhaps this was a Ventilation Induction Head Valve?

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Control looking to Starboard and aft. In many respects this is the general layout for the starboard side of control rooms throughout the coming sequence of submarines through WW II and after. The type of equipment will change with newer and more modern versions as time passes but this was the template for the future.

Electrical panels at the left will become enclosed to prevent short due to condensation and for crew safety as time went on.

Just to the right of these panels is a barometer. This was important to letting the crew know what was happening with weather but also in letting them know the submarine was closed up properly for diving. When all hatches were closed and a small amount of air was bled into the submarine the barometer would register this pressure change and if there were no leaks the pressure would not change. The report; "Pressure in the boat", would signal all was well and the dive could proceed. An important piece of equipment indeed.

Moving right we see the row of gauges for the air system and air banks and various pressures. The manifold seen below these gauges is the Trim Manifold which ports internal ballasting water around the boat. Air system valves are to the right and below of this manifold.

The row of large valves and piping seen in the overhead are associated with the Fuel Ballast Tank System.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Air Bank Gauges and Manifolds with the variable water Trim Manifold in the center. Tucked in behind at the top of the Trim Manifold can be seen two "T" handle wrenchs for operating this manifold.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Trim Manifold. Top row of valves: "Aux Bal, Tk No1 Blow", "Aux Bal, Tk No2 Blow", "For'd Trim Tank Blow", "Aft Trim Tank Blow".
Bottom Row; "Aux Bal, Tk No1 Vent", "Aux Bal, Tk No2 Vent", "For'd Trim Tank Vent", "Aft Trim Tank Vent".
The three valve handles on the left read, Top: "200# Air For'd" and the bottom one reads "200# Air Aft". The center handle has nothing readable except "open"
The bottom large handle says "200# Air From Reducer" Meaning Higher pressure air was sent through a reducer to become 200 pound air.
Note the two "T" handle wrenchs tucked in behind the manifold cover at the top.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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High Pressure Air manifold.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Low Pressure Air Manifold.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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These two valve handles are seen in the overhead of the control room in the large scale photo above.

This is the earliest we have seen mention to anything dealing with a Hydraulic System on a submarine. The valve wheel says "Hydraulic Refill Supply". The other valve is unreadable. What this hydraulic system ran is not known at this time.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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This is the "Conning Tower Flood" valve. If for some reason, such as fire or escape procedures opening this valve would flood seawater into the Conning Tower.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

Pump & Cold Rooms

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On the Starboard side of the Pump Room is what appears to be the Trim Pump used to move large volumes of water in and out and around the submarine. The location corresponds with the with the Trim Manifold located directly above in the Control Room.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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The USS Dolphin

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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The USS Dolphin

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Emergency Lights

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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On the Port side of the Pump Room is the "Ice Maker" for refrigeration and freezing. It was made by the "York Ice Machinery Corp". York, Corp is still in business today.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Pressure gauge for the York compressor

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Looking across the Pump Room to the Port side where the York Compressor is visible. The flask seen in the right foreground could hold a verity of gases including Freon used the ice maker. This bottle is seen in the photo showing the compressor for refrigeration. Forward is to the right. The Chill box and freezer are also to the right.

The large vertical cylinder seen to the left side is the periscope well for the # 2 periscope.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

Cold Room

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The Cold Room of the USS Dolphin. It isn't known if this was used as a refrigerator or a freezer. The slabs and sides of meat suggest it could be being used as a freezer. A ladder up to the Control Room is seen on the left.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Close up of some of the contents. Whole sides and quarters of pork and beef have been placed in the room. Seems the cooks had to cut their own steaks and chops unlike today when it all comes precut and prepared.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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The close up of the bottom of the room show wooden crates of poultry and more meats on shelves to the right.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

Conning Tower

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The Dolphin Conning Tower looking forward. On the right is the #1 periscope. Just to the left of that at the top is the bridge access trunk. You can see daylight coming down the hatch.

In the center bottom is the Conning Tower access hatch from the Control Room. Directly above that on the forward bulkhead is the ships helm.

Between the hatch and the helm there appears to be a pedestal, painted black, with a square top on it. Its function is unknown and it is suspected to have been placed there for temporary storage during the upkeep. Perhaps moved from the deck or bridge. ( On further consultation with Submarine Historian Jim Christley he theorizes this could be an early version of a Sperry Mark I Target Bearing Transmitter (TBT) that was mounted on the bridge. )

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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A Speaking Tube, probably leading to and from both Control and the Bridge. Note the heavy duty closure valve to prevent flooding. This tube had to be test depth certified!

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Besides showing a close up of the Starboard Engine Order Telegraph, (showing both Motor and Engine selections), there is a very good close up of the external Voice Tube shut off valve handle. A bit of the handrail and the ladder to the bridge is seen at the right. To the left top appears to be an alarm switch, possibly the Diving Alarm.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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There is a bit of mystery about this piece of equipment. What it could be is up for speculation. There is a miniature ships wheel but it controls what? Perhaps a trainable piece of equipment but for what is the question.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Linkage from the Conning Tower Flood Valve seen in Control. There also seems to be a linkage from the bridge.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Close up of the Conning Tower helm area. To the left is the port engine order telegraph and the right is the Rudder Indicator showing Dolphin has an 8 degree Right Rudder angle at the time the photo was taken.

The close up provides a look of the top of the mystery object sitting in the Conning Tower. It appears to have a polished brass cover on the top of it. Suggestions as to its purpose welcome.

In the upper right corner there looks to be a device for looking at something outside the Conning Tower. The fairing to block light appears to unbolt and the cover, above, to slide down on rails on either side and lock down over the eyepiece. There is also a petcock drain on the bottom of the device.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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The Dolphin Conning Tower looking aft. Just to right of center is the #1 periscope used solely in the Conning Tower. The #2 periscope, that was used solely from the Control Room, was housed outside the Conning Tower. This arrangement was eventually done away with and both periscopes could be used in the Conning Tower though the use of #2 in Control remained for a while longer.

As an aside note it has been noted on the barrel of the periscope markings every two feet to allow the Conning Officer looking through the periscope to ask for and get the exact elevation he asks for and also remind him how much of the periscope has been raised.

On the far left is a portion of the hand rail for the bridge access ladder and to the right of that are the Port and Starboard shaft RPM dials. Below them is a desk area with a desk lamp. To the right of these are the pulleys and cables for raising and lowering the #1 periscope. The motor for this can be seen at the foot of the ladder to the Conning Tower in the Control Room.

The right side of the image shows at the top are the Conning Tower Blow, Vent and Drain valves. Next to them are the Torpedo Firing Buttons.

To the right of the periscope is the rear deck access door. Dolphin was the first submarine to have this feature. It allowed crew to access the deck through the Conning Tower and its Fair Water.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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The Port and Starboard shaft RPM meters. Many times in tracking the Captain or Conning Officer will ask for a few more or less "turns" to get the information he needs.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Close up of the bearing ring at the top of the #1 periscope. The ring gives relative and reciprocal bearing to the target relative to the submarine.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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The USS Dolphin was the first submarine to have a Water Tight door in the conning tower to give access to the deck gun. Subsequent sub classes had this feature until wartime modifications removed them. Ladder steps lead up to the cigarette deck.

Behind the periscope is the ships name plate with what may have been the ships motto.The first word looks to have been "FAI?" (faith?) but this is not certain. Followed by "ESS". Maybe "Faithfulness and Readiness"?, "Faithfulness and Preparedness"? If anyone finds out please let us know. Below is the larger plate with the first and last letters of what must have been "US(blocked by periscope)N" "USS DOLPHIN" and it probably had the "SS 169" under that followed by the builders yard and dates.

US Navy Photo Contributed by Roger Torgeson
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At the top in this close up are the Conning Tower Blow, Vent and Drain valves.

There to the right of the valves is the Torpedo Firing Panel. The USS Dolphin had four torpedo tubes forward and two aft. These two boxes with buttons on them are firing panels. When the order was given to fire a torpedo a command was given such as ,"Fire One", and the button was pushed. at the same time the command was broadcast to the torpedo room and a firing actuator was pushed for that tube. This was a backup in case there was a malfunction in electronic communication.

Switches below the firing buttons turn the buttons on or off to prevent accidental firing orders.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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The "Butt Kit", a Navy version of the Ash Tray. It was attached almost everywhere and was portable. They were deep to accommodate heavy usage. A peek into the top of this one shows it is almost full to the top and in need of emptying.

Butt Kits were throughout the boat and even near bunks and at the tables in the crewsmess. In the day smoking was common and not to smoke was more rare though not unheard of.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

Crews Berthing & Eating

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The after battery compartment of the USS Dolphin. This space had 30 bunks, 12 of which were two high and wide stacked over the crews mess table and the 18 others were three bunks high on the port and starboard sides. The oval hatch in the deck was the access into the actual after battery compartment and the battery cells themselves.

Running at an angle from the bulkhead to the upper left corner of the photo is the mechanical linkage for the stern planes.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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The crews mess table. It was Stainless Steel with a lip on the edges to prevent plates and other things from sliding off during rough weather. The Large flat duct is the battery well ventilation and the round stanchions are bunk supports and have collars on them about a foot high off the table. The braces that support the bunks rest on these collars.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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The Dolphin Crew Berthing and Messing Compartment. The Stainless Steel table is a permanent fixture. Cast steel or aluminum legs hold it to the deck and the 12 benches seem to be the lockers for the 12 bunks over the table.

It was in the lower right foreground where the man photographed sitting at the table in a previous image (number #35) was seated.

The view is looking aft down the starboard side to the water tight door leading to the galley and engine rooms. The ladder and hatch exit just aft of the conning tower fairwater and just under the starboard side of the raised deck, (there are no good photos of this arrangement). Note the bright sunlight coming down the hatch.

Across the after end of the compartment are the crews bathing and toilet facilities.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Close up of the after Starboard corner of the Crew Compartment of the USS Dolphin. To the left can be seen the ladder to the deck. The black box with gauges at the top appears to be a Hydrogen Monitor. One half of the ships massive battery sits below the deck of this compartment. A build up of Hydrogen gas could cause an explosion. Below that a locked cabinet appears to have four grapefruit sitting on its top.

The bulkhead these objects are attached to is the forward wall of the crews shower room. This space is a little less than twice the size of an enclosed telephone booth, maybe about 4 feet by 4 feet.

Between the grapefruit and Hydrogen detector is a frame for holding any number of notices that could range from a crew list, a watch bill or even a menu of the weeks meals. It could even hold emergency procedures. In this photo it is empty.

The water tight door gives a glimpse into the ships Galley. There seems to a number of holes from removed equipment. This same bulkhead can be seen behind the man seen through the door from the Control Room.

To the right, along the after bulkhead, is one of the two crew sinks with polished stainless steel mirrors above.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Across the after bulkhead are two wash basins for the Dolphin enlisted crew. Just to the right of the right hand basin is the inboard, fore and aft, bulkhead for the crews toilet room. At the far right can be seen the aft facing door to this room.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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The USS Dolphin crews shower room. The hot water heater for the shower is seen as the short tank in the room. It may also supply hot water for the sinks. For this photo the four grapefruit have been removed from the box to the left of the shower door.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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A closer view of the hot water tank in the crews shower room.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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A closer view of the upper part of the shower room.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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The crews toilet room or "Head" as it is known in nautical terms. There seems to be only one.

The large rod in the upper left portion of the toilet room, just above the locked box, is the mechanical linkage for the stern planes.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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A closer view of the "Head". It is seen to be a china bowl sitting on a special flushing chamber. The heads at this time were direct flush to sea so the method of flushing was a complicated and exacting procedure.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Part of the flushing mechanism with a sea pressure gauge so you know when to open the flush valve.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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A close up of the Dolphin's "Throne". The toilet seat folded down on to the bowl from the right to the left. A view of what the seat would look like can be seen in Image #18 in the Officers Head.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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A lot going on in this picture. At the top is a lamp, minus the bulb, so men can use the stainless steel mirror to shave. The mirror reflects the underside of the bunk opposite it. The mirror itself hangs on the door for a cabinet that contains, ... what? Maybe cleaning supplies.

The sink, counter, back splash appears to be one assembled unit. A wash cloth or rag is stuffed into the niche above the sink. Between the two sinks is a liquid soap dispenser. It appears a towel has been tied below the sink for men to wipe their hands on.

On the right the shiny column is actually the curved piece that wraps around the corner of the Toilet Room bulkheads.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

After Battery

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The After Battery well of the Dolphin showing the arrangement of batteries and the battery cell ventilation system piping as identified by Submarine Historian Jim Christley.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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The After Battery well of the Dolphin looking aft showing the arrangement of batteries and the battery cell ventilation system piping as well as at the aft end of the space are the main battery disconnects that isolated the battery from the rest of the electrical bus.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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The After Battery disconnects

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

Galley

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The USS Dolphin Galley on the Port side aft of the Crews Berthing and Mess Room. The door on the right leads forward.

There is a sliding door that closes off the Galley when it is not in use or in port. This is seen hanging to the left with the ventilation louvers cut in it. This was still very much the surface Navy train of thought that the crew could not be trusted.

After WW II the submarine service went to a "open galley" policy and food was available anytime a crewman wanted it. The rule became that you could cook it but you had to clean everything up afterwards. You were treated as a mature adult and you were expected to act as one.

The large rod running right to left in the upper left portion of the view is the mechanical linkage for the stern planes.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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The USS Dolphin Galley close up showing some detail to the left of the galley range with two grill cook tops and two ovens below. There seems to be a grill or cook top at the back. Tucked into a nook at the back of the counter is a meat saw used to portion out the large slabs of meat still on the bone. The saw is for cutting the bone.

There is a drain in the forward port corner to aid in washing and cleaning galley deck which was probably done after each meal preparation so that would be four times a day at sea.

There is a sink in the counter top to the right. This was used to wash cooking pots and pans. General dish washing was done in the Scullery across the passageway.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

Store Room

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The Store Room, Port side of passageway aft the Galley and across from the Chief Petty Officer's mess table. At left is an unknown space.

The large articulated rod in the upper portion of the view is the mechanical linkage for the stern planes.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Seems to be a lot of Apricots! Maybe the crew liked them. Have to remember that this is 1933 and foods like we have them today were not available. People ate more seasonal foods and more fresh foods. Post WW II was the beginning of major packaged foods sales. The food companies had ramped up to feed troops overseas and if they didn't find a way to keep selling prepared foods they were going to be in trouble.

We've tried to identify the brands. The Apricots are from a brand called S.F.P.. We haven't been able to find anything on this brand yet. There is one can is noted as being "Livingston - Garden Beets", again the brand is still illusive. The up-side-down can is Kadota Figs from the Pratt-Low Preserving Company of Santa Clara, California. Pratt-Low was noted for having a large production of canned Apricots. Since the fig can is up-side-down we are unable to determine if the brand might be the S.F.P. as well. Kadota is a region of California near Merced, California.

At left are the lids to two bulk food bins. What was stored in them is unknown but possibly Sugar, Flour and maybe Beans or Coffee.

The valve handle in the upper right says "Emergency Vent Port". If there are any words before the word emergency they have been blocked.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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The two boxes with "Ward's Fine Cakes" is from a bakery in Ocean City, NJ. that shipped its baked goods, mostly cakes in the early years, all over the north eastern states. Stores would advertise that fact they stocked Wards Cakes in their newspaper advertising. The company is still in business today as Wards Pastry. If it is cakes instead of some other baked goods is not known. Perhaps bread since the boxes are on their sides.

All sorts of dry foods are on the shelves to the left. At least one can be made out to state the box has Bran Flakes in it. To the right are three large bins with lids that held bulk item, most likely, flour and sugar.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

Chief Petty Officers Eating Space

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The USS Dolphin Chief Petty Officer's Quarters. At the right is the water tight door from the Crews Berthing and Mess Compartment. Just beyond that is the door to the Galley.

The scullery, where the crews dishes were washed is at the left. The Store Room must be just aft of the galley.

Looking into the Galley doorway near the top you can see one the numerous "Butt Kits" for smokers to put their ashes and the butt ends of cigarettes.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Close up of the Chief table. There appears to be the remnants of some sort of pie left on the table with a fork still in it. After 85 years it is probably stale.

The frame with the bars is actually a Bulletin Board with a glass front and various Navy messages and directives are posted in it. The bars are to prevent someone falling into the glass in rough weather.

The fan in the upper right is running. The blades are a blur. It is hot inside the submarine as there is no air conditioning for submarines yet. It is July the 4th and it is summer in the North East.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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Several notable things about this close up. First the door with the strange pattern of screws is notable in several other photos, one looking aft from the control room and another looking aft from the Crews Berthing and Messing Compartment.

The other thing notable is the peek into the Generator Room and the Watch Desk on the after bulkhead to the port side of the ladder to the Engine Room. These things firmly place the CPO quarters in its location aft of the Galley.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

Diesel Generator Room

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The Generator Room of the USS Dolphin. The Dolphin was a hybrid design with diesel electric as well as diesel direct drive for her propellers. The photo is taken from the door from the CPO dining quarters look aft to the Engine Room door.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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100

A peek into the Engine room of the Dolphin. Interesting, to the left, is a sailors blue wool jumper hung out to dry. If you look carefully you can see the white cord called "clothes stops" dangling from the jumper. These attached to loops built into the clothing for hanging them up.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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101

The after end close up of the Dolphin Generator Room showing a peek through the water tight door into the Main Engine Room.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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102

Diesel Generator Room Engine Order Telegraph

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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103

The USS Dolphin Generator Room looking Forward. The tanks in the overhead are gravity feed fuel oil tanks for the diesels.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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104

The USS Dolphin Generator Room looking forward through the door into the area where the Chiefs dining area was (to the right of the door) and most likely where the food storeroom was at (to the left of the door.)

The sheet metal bulkhead around the galley with doors to more storage are seen. Also above the galley are seen several exhaust and ventilation pipes rising vertically into the overhead.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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105

A specialized tool kit for working on the diesels used in the Generator Room.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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106

An interesting close up of an RPM meter from one of the diesel engines. Looking closely you can see the word "Ahead" on a small plate attached to the bottom of the meter. On he other side you can see two small holes that could have held a similar plate with the word "Astern" on it. There isn't really any other reason why there are identical speed gradations on both sides of the dial.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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107

Gravity feed Fuel Oil Supply Tanks for the diesel generators.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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108

Under the Storeroom and Galley, attached to the forward facing ends of the diesels, are the generators. These are just attached to the electrical power system so it doesn't matter what direction the diesels face. The generators are behind the ladder and low under the deck on either side.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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109

A look under the platform between the generators. What the motor and tank in the center is is under investigation. The Galley and the Store Room is above to the left above and the Chiefs table and Scullery are to the right above.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

Engine Room

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110

The USS Dolphin Main Engine Room. The first thing you see on either side of the photo, left and right, are the Diesel Air Start Flasks. High pressure air used to roll the engines over until compression causes fuel to ignite.

Second thing is the ladder from the deck access hatch passes through an opening into the lower engine room. Unfortunately there are no photos of this lower engine room to allow us to know what was in this space.

The next thing that becomes apparent is the forward faces of the two huge MAN diesels. The large wheels are most likely the throttles for increasing and decreasing the engine speeds. The gauges give vital information into the performance of all the cylinders and pressures.

Flanking the ladder, at the front of the engines, are two large clutch handles for engaging and disengaging the shafts from the engines. Note the angles foot plates for the Motor Machinist Mates (later to become Enginemen) to brace a foot against to gain the leverage needed to pull the levers.

Seen through the rungs of the ladder are the engine air inlet and exhaust outlet Open/Shut indicators plus shaft RPM counters.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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111

Close up of the clutch levers.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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112

Seen through the rungs of the ladder are the engine air inlet and exhaust outlet Open/Shut indicators plus shaft RPM counters. By the clock the photo was taken at 2:25PM on July 2, 1933.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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113

The gauge board for the port engine. What each dial is for is written on the face of each dial but is just beyond being able to be read. The valve handles at the bottom of the panel are for isolating the gauges.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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114

The USS Dolphin Main Engine Room from the aft looking forward.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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115

The Starboard engine, looking forward. The large wheel is most likely the engine exhaust valve.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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116

The Port engine, looking forward. The shiny bar at an angle, in the foreground, is actually a "T" handled wrench slipped through a handhold.

The large articulated rod in the upper left portion of the view is the mechanical linkage for the stern planes.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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117

Close up of the Main Engine Room looking at the forward bulkhead. Through the door is the Generator Room. A large vice is to the left (port) of the door.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

Maneuvering Room

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118

The USS Dolphin Maneuvering Room looking aft. To the left are what looks like 8 crew bunks. A ventilation duct dives down through the deck into the Motor Room proper below the Maneuvering Room. The access to the Motor Room is at the far end of the second bench, gauges, seen through the opening confirm that that is the Motor Room.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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119

This is pretty self explanatory.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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120

This view shows another of the Butt Kit ashtrays and a CO2 Fire Extinguisher. With all the electrical equipment a liquid to put out a fire would be a bad idea.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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121

A look at the main board of the Maneuvering Panel.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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122

The Main Switches for engaging and disengaging the power to the motors.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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123

The Engine/Motor Order Telegraph for the Port Motor.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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124

The Dolphin Maneuvering Room looking Forward and to Port.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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125

The Battery Ventilation Control Panels.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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126

Shaft revolution counter

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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127

The Maneuvering station as seen from the aft looking forward.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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128

The USS Dolphin

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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129

The USS Dolphin

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

Chief Petty Officer Berthing

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130

Though the Chiefs eating space was forward just aft of the galley their sleeping quarters was in the after end of the Maneuvering Room. There appears to be at least four bunks in the space. Two fixed to the deck with drawers under and two folding above. Unfortunately this is the only photo of this space so assumptions are being made.

It is possible that some of the bunks outside this space, in the Maneuvering Room, would be for Chief Petty Officers as well.

The table looks to slide away. The leg folds under the table top and clips into place and the whole thing slides away into the cabinet. Note handle on table front.

At the top of the photo is a rod that is the mechanical linkage for the stern planes. Part of the rod has been either covered with a polished metal covering or has been cleaned of paint and polished.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

Motor Room

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131

The Motor Room looking forward. Deck ladder at right and the access hatch above lead up to the Maneuvering Room.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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132

Close up of the lockers and switches at the forward end of the Motor Room that was directly below the Maneuvering Room.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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133

View up the deck hatch into the forward Stbd corner of the Maneuvering Room. The fan and electrical box directly under it can be seen in picture 105.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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134

The after end of the Motor Room sits under the Chief Petty Officers Berthing Space.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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135

Air Compressor? Hydraulic Pump? In fact we are not sure what this piece of equipment is. A gas bottle is interconnected with this equipment and protective covers are placed around a number of pipes or hoses as if they were in need of protection or a need to protect people from the pipe or hose. At this point we are looking for suggestions as to what this piece of equipment could be. This space is directly under the Chief Petty Officers Berthing.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

After Torpedo Room

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136

The After Torpedo Room looking forward. Bunks to each side. Torpedo handling hoists in the overhead.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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137

View through the water tight door into Maneuvering Room. On the left side of door in maneuvering is what looks to be the end of a partition bulkhead. This is the place where the CPO Berthing space was located.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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138

A look aft down the length of the Dolphin's After Torpedo Room. There appears to be berthing for 8 to 10 men in this space.

The large rod in the upper right of the photo is the mechanical linkage for the stern planes.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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139

Close up showing the configuration at the after end of the aft torpedo room. The tubes seen are #5 to the left (starboard) and #6 to the right (port). At the upper right is the stern planes mechanical drive shaft.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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140

Close up of the after torpedo tubes. At the bottom there appears to be a step and an electric heater. Hard to see detail.

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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141

Extreme close up of the area between the after tubes showing what is believed to be the rudder shaft and stern plane gear where it descends into the skeg where the rudder and stern planes are attached. (See External Photos #20)

US Navy Photo Contributed by Roger Torgeson
Captions by Dave Johnston and Ric Hedman

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