Bouchet adding machine
- Made:
- 1885-1895
Bouchet adding machine, (top of figure 6 missing), engraved "Bouchet's patent, issued Jan 3 1882 re-issued 9 Mar, 1885 no.452"
Details
- Category:
- Mathematics
- Object Number:
- 1930-488
- Materials:
- silver (metal), brass (copper, zinc alloy), mahogany (wood) and ivory
- Measurements:
-
overall: 60 mm x 132 mm x 86 mm, 0.86 kg
- type:
- adding machine (bouchet)
- credit:
- H.M. Stationery Office
