Cordingley computometer adding machine c.1900. The Cordingley adding machine was one of several simple devices introduced around 1900. It is based on Blaise Pascal's (1623-1662) design of 250 years earlier.
Details
- Category:
- Mathematics
- Object Number:
- 1980-123
- Materials:
- brass (copper, zinc alloy), steel (metal) and leather
- Measurements:
-
overall: 35 mm x 260 mm x 85 mm, 0.93 kg
- type:
- adding machine
- credit:
- Mr R.J. Law