Equipment - Slide Rule for Vickers Machine Gun, 1940

Historical information

Slide rule to enable Vickers Machine Gun crew to calculate fall of shot

Physical description

Slide Rule Mk III for Vickers Machine Gun using Mk VII Ammunition

Inscriptions & markings

RULE, SLIDE M.G. MK III
W. H. H. 1940
(.303 VICKERS M. G.)
(FOR MK VII AMMN.)

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