An early dating and the rarest type of Siebe Gorman Admiralty pattern diving torch. Stamped to one side 'SIEBE GORMAN & Co LTD. MAKERS. LONDON. PATENTED. A.P 8965' and to the other side 'SHPTS. M.of K. No 10.' Signs of use, convex lens with threaded bezel in good order, reflector present inside and both ends unscrew. There is a half turn lever operated switch to the base end.