Circular brass protractor, vernier arm with pricking extension, engraved "W & S Jones, 30 Holborn London", with glass centre piece, in box, B1754
Details
- Category:
- Mathematics
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- 1989-633
- type:
- drawing instruments and folding arm protractors
- credit:
- On loan from the Wellcome Trust
