Brits gasmasker, model AG nr. 5 (General Service, Mark V) (1941), zonder slang en zonder filterbus Brits gasmasker (1940), met afschroefbaar filter aan voorzijde maar model is zonder ingebouwd uitlaatventiel Tracing your army ancestors / Simon Fowler Rank and badges in the Navy, Army, R.A.F. and auxiliaries : a full coloured guide to the badges worn by members of His Majesty's Forces … Handbook for the ordnance, Q.F.25-Pounder : Marks II and III on carriage, 25-Pounder Mark I and Mounting, S.P.25-Pounder C Mark I and Mounting, Valentine, 25-Pounder … Britain's wonderful Air Force / ed. by P.F.M. Fellowes ; with a forew. by Charles Portal C.B. 1970 (39) Handbook for Asdic Sets, Type 128, 128S, & 128L. (1939)