Sub S-4 battery room where several of the crew met instant death when salt water reached the batteries and made chlorine gas

Tug falcon raising sub S-4 off Provincetown. |
Sub S-4 being towed to Navy Yard from off of Provincetown. The trip took 14 hours to go the 49 miles. |
Sub S-4 tied up at Pier 7, to remove her batteries and engines |
Sub S-4 in dry dock at Navy Yard |
Tug falcon raising sub S-4 off Provincetown. |
Sub S-4's Conning Tower as she was being towed into Boston Harbor after being rammed and sunk by USS Paulding. |