ARMSTRONG, W.G. (SIR) ARMSTRONG, WHITWORTH HMSO Sir W.G. Armstrong, Whitworth WAR OFFICE ADMIRALTY Admiralty Sir W.G. Armstrong, Whitworth] VICKERS SONS AND MAXIM Vickers Sons and Maxim

6 inch Q.F. gun individual pieces marine engineering, naval engineering, ships naval armament, naval guns individual artillery pieces land service artillery land service weapons, artillery, guns mountings 4.7 inch Q.F. gun ships' histories 3 inch Q.F. gun 3 pdr. Q.F. gun 6 inch mounting

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