Troncet's arithmograph
Troncet's arithmograph
Details
- Category:
- Mathematics
- Object Number:
- 1906-75
- Materials:
- metal (unknown), brass (copper, zinc alloy), paper (fibre product) and textile
- Measurements:
-
Open: 19 mm x 230 mm x 142 mm, 0.244 kg
- type:
- adding machine (stylus)
- credit:
- Shackleton, W.
