Technical drawing of an airship grapnel, circa 1910s-1920s.Part of a photograph album related to John Sylvester Wheelwright's service with the Royal Naval Air Service, circa 1907-1943.
Technical drawing of an airship grapnel operating line, circa 1910s-1920s.Part of a photograph album related to John Sylvester Wheelwright's service with the Royal Naval Air Service, circa 1907-1943.