Special metal protractor for machine for finding the roots of cubic equations

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Special metal protractor for machine for finding the roots of cubic equations both real and impossible

Details

Category:
Mathematics
Object Number:
1885-43/2
Measurements:
Metal Protractor: 163 mm x 503 mm x 20 mm, 0.2 kg
type:
calculators
credit:
Mr H.C. Cunynghame