Hatchet planimeter
Hatchet planimeter
- Measurements:
-
overall: 65 mm x 271 mm x 25 mm, 0.164 kg
- Materials:
- brass (copper, zinc alloy) and steel (metal)
- Object Number:
- 1917-139 Pt1
Hatchet planimeter, in mahogany case
Hatchet planimeter
Mahogany case for Hatchet planimeter.