Cordingley's computometer', adding machine, c 1900.

Made:
1890-1910 in London
Cordingley computometer adding machine

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Cordingley computometer adding machine
Science Museum Group Collection
© The Board of Trustees of the Science Museum

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