Circular slide rule in brass

Made:
1878-1882 in London
manufacturer:
Dring and Fage
Circular slide rule in brass, by Dring & Fage, London

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Circular slide rule in brass, by Dring & Fage, London
Science Museum Group
© The Board of Trustees of the Science Museum

Circular slide rule in brass, by Dring & Fage, London, with two scales, (the inner one can be rotated) and index hand (2 1/2-inch diam) c. 1880

Details

Category:
Mathematics
Object Number:
1954-324
type:
circular slide rule
credit:
National Maritime Museum (Gabb Collection)