Details
A Russian 3-Bolt diving helmet, mid 20th Century
in copper and brass, the hand-beaten bonnet with air intake, non-adjustable knock exhaust valve, three ports, stamped 1246 on neck ring, the corselt with front weight pins, hooks, plate in Cyrillic dated 1949, interior painted silver, the bonnet in cream -- 18in. (46cm.) high
See illustration
in copper and brass, the hand-beaten bonnet with air intake, non-adjustable knock exhaust valve, three ports, stamped 1246 on neck ring, the corselt with front weight pins, hooks, plate in Cyrillic dated 1949, interior painted silver, the bonnet in cream -- 18in. (46cm.) high
See illustration