torpedo room of USS H-5 in 1919. The breeches of the four 18-inch (457 mm) torpedo tubes
The torpedo room of USS H-5 in 1919. The breeches of the four 18-inch (457 mm) torpedo tubes are at the center. The tubes themselves had rotating exterior bow caps rather than doors. Scanned from Page 304 of Friedman, Norman, U.S. Submarines Through 1945: An Illustrated Design History, Annapolis, Maryland: Naval Institute Press, 1995 via Wiki Commons.