Six inch protractor, engraved "Ring a Berlin" (pro

Made:
Berlin
Six inch protractor, engraved Ring a Berlin' (probably 18th century)'

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Six inch protractor, engraved Ring a Berlin' (probably 18th century)'
Science Museum Group
© The Board of Trustees of the Science Museum

Six inch protractor, engraved "Ring a Berlin" (probably 18th century)

Details

Category:
Mathematics
Object Number:
1939-33
type:
semi-circular protractors
credit:
Henrici, E. O.