Walke Drellishak 1914 Siebe-Gorman 6-bolt diving helmet
Diver preparing to go over the side of Walke on 3 March 1914. Note the airline attached to the back of his helmet. NH 99836, courtesy of Jim Kazalis, 1981/Chief Gunner’s Mate Stephen J. Drellishak ascending unassisted from a ten-foot stage at the end of his record 274-foot dive from Walke to the sea floor on 3 November 1914. His ascent from the bottom occupied 1 hour and 20 minutes. This dive was one of a series of deep diving tests conducted in Long Island Sound in late October and early November 1914. NH 99838