Proportional compasses with lineal ratio scale

Proportional compasses with lineal ratio scale, in leather box

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Proportional compasses with lineal ratio scale, in leather box
Science Museum Group
© The Board of Trustees of the Science Museum

Proportional compasses with lineal ratio scale, in leather box. 'M. Pallis' embossed on lid. Supplied by Stanley

Details

Category:
Mathematics
Object Number:
1996-230
type:
proportional compass
credit:
Messrs P and A Naylor