Semicircular protractor

Made:
Athol
Steel semicircular protractor, one arm, by the LSS Co

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Steel semicircular protractor, one arm, by the LSS Co
Science Museum Group
© The Board of Trustees of the Science Museum

Steel semicircular protractor, one arm, by the LSS Co., Athol, Mass, USA (B494 A48824)

Details

Category:
Mathematics
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
1980-1125
type:
drawing instruments and semi-circular protractors
credit:
On loan from the Wellcome Trust