Semicircular glass protractor divided to 1/2 degree
- Object Number:
- 1876-495/1
- type:
- protractors and drawing instruments
Protractor, glass, semicircular, divided to 1/2 degree, etched "T.F. Chappe fecit 1853", in morocco case (edge of sector slightly chipped at 75 degrees)
Details
- Category:
- Mathematics
- Object Number:
- 1876-495
- Materials:
- glass
- type:
- drawing instruments and semi-circular protractors
- credit:
- Mr Thomas F. Chappe
Parts
Case for glass protractor
- Object Number:
- 1876-495/2
- type:
- case - container
