Slide Rule Calculator, 1940

Historical information

The Slide Rule was made in 1940 and used by the Royal Australian Air Force during WW2.

Significance

This is an original Slide Rule that was used by RAAF during WW2

Physical description

Wooden Slide Rule Calculator

Inscriptions & markings

Rule, Slide M.G. Mk III. W.H.H. 1940

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