After Battery Compartment
Named for the second of the two electric storage battery wells below the deck, this is the largest compartment aboard the submarine. It houses the all-electric galley where cooks fed the 100-man crew.
For showering, the procedure was to quickly wet yourself thoroughly and then turn off the water. After you had soaped and scrubbed yourself, the water was again turned on for a few moments to rinse away the soap.