British Parallel rule A.& A. London 1940

Brass rule in wooden carrying case with leather straps. Marked A.& A. Ltd. London and dated 1940, Mk II with British broad arrow military acceptance mark. Fold-up sighting slots at either end of rule. Wooden case has bottom missing. Interesting item, unsure of exact use whether navigation or artillery direction plotting but surely a military use.

Availability: In stock

$195.00

British Parallel rule A.& A. London 1940

British Parallel rule A.& A. London 1940 Description

Brass rule in wooden carrying case with leather straps. Marked A.& A. Ltd. London and dated 1940, Mk II with British broad arrow military acceptance mark. Fold-up sighting slots at either end of rule. Wooden case has bottom missing. Interesting item, unsure of exact use whether navigation or artillery direction plotting but surely a military use.

British Parallel rule A.& A. London 1940 Additional Information

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