10 May 1929 – On this day the Momsen Lung, the first successful submarine escape device (forerunner of the Steinke Hood) was initially tested by LT. Charles Momsen and Chief Gunner C.L. Tobias from a depth of 200 feet.
Momsen Lung
10 May 1929 – On this day the Momsen Lung, the first successful submarine escape device (forerunner of the Steinke Hood) was initially tested by LT. Charles Momsen and Chief Gunner C.L. Tobias from a depth of 200 feet.