Boxwood sector, two foot; early example
Boxwood sector, two foot; early example
Details
- Category:
- Mathematics
- Object Number:
- 1921-675
- Materials:
- box (wood) and brass (copper, zinc alloy)
- Measurements:
-
overall (open): 15 mm x 640 mm x 200 mm, 0.892 kg
- type:
- proportion drawing instruments and sectors
- credit:
- Manser, T.
