Semicircular protractor
- Made:
- Athol
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