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  • Terms: mathematics
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wooden mathematical model ?

wooden mathematical model ?

American
1910-1960
IBM ASCC-Mark I card weight, paper guide, two multiprong relays

IBM ASCC-Mark I card weight, paper guide, two multiprong relays

International Business Machines Corporation
circa 1944
sector with folding square

sector with folding square

Gilbert & Sons
1806-1819
sector with Gunter's scale

sector with Gunter's scale

English
circa 1712
bow dividers

bow dividers

German
early 17th Century
sector with folding square

sector with folding square

Benjamin Martin
1760-1770
sector

sector

Jacques Canivet
1743-1774
sector

sector

Nicolas Bion
1685-1715
prototype ten-place, stylus-operated add-subtract machine

prototype ten-place, stylus-operated add-subtract machine

Thomas de Colmar
circa 1850
sector

sector

Pierre Alexis Lasnier
1693-1740
eight-wheel pen-operated adding machine

eight-wheel pen-operated adding machine

David-Didier Roth
circa 1845
abacus

abacus

Japanese
circa 1950
/ 26

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