Callender cable calculating machine
- Made:
- circa 1904
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
Callender cable calculating machine, patented 1902, and manufactured by R.W. Paul