Callender cable calculating machine

Made:
circa 1904
Callender cable calculating machine, patented 1902

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Callender cable calculating machine, patented 1902
Science Museum Group
© The Board of Trustees of the Science Museum

Callender cable calculating machine, patented 1902, and manufactured by R.W. Paul

Details

Category:
Mathematics
Object Number:
1946-20
type:
calculating machine
credit:
Mr R. A. Bell