Stores Ref. 6D/1837. Mask, Oxygen, Type M, Mk.2 complete with microphone assembly, type 71, and mask tube assembly, MK.8, incorporating Mod. M326. Black rubber mask with fabric harness. Also fitted with the pipe/connectors to attach to a pressure waistcoat. These were used in early Hunters, Javelins, the Canberra PR9, V-bombers and the Lightning. The Type M, MK.2 mask was intended to be used in place of the Type M & J masks. It was part of the pressure breathing equipment issued and was only to be worn in conjunction with a pressure breathing waistcoat, Mk.1 or Mk.1A. Unissued condition with original box (last sealed in Nov. 1962) and instructions for use, fitting and daily servicing. Some storage soiling/marking only. Not fully unwrapped (as seen in photos) Excellent condition with original box. Stock code O14550.