Barnard's Co-ordinate Calculator

Barnard's Co-ordinate Calculator, spiral slide rule, by Stanley

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License

Barnard's Co-ordinate Calculator, spiral slide rule, by Stanley
Science Museum Group
© The Board of Trustees of the Science Museum

Barnard's Co-ordinate Calculator, spiral slide rule, by Stanley, Great Turnstile, London, serial No.61/19, in mahogany case, 1919.

Details

Category:
Mathematics
Object Number:
1985-1964
Measurements:
length 275 mm
width 105 mm
height 95 mm
type:
spiral slide rule
credit:
Christie's South Kensington Limited