'La Multi' calculator, c 1920.

Made:
1918-1922 in France

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La Multi, prototype of French calculating device based on Napier's bones, seven figures, c. 1920. This is a prototype of an instrument which did not prove successful. Napier's bones, a calculating device invented by John Napier in 1617, allowed the user to add instead of multiply.

Details

Category:
Mathematics
Object Number:
1986-566
Materials:
brass (copper, zinc alloy), mahogany (wood), metal (unknown), paper (fibre product), textile, wood composites
type:
napier's rods napier's rods
credit:
Brieux, Alain
status:
Permanent collection

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