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Arithmometer
Автор: Arenberg Auctions
Загружено: 2019-06-07
Просмотров: 1730
Описание:
Lot 479 of our June Auction
THOMAS de COLMAR, Charles Xavier
1886
est. : 1000 / 1500 €
The world's first produced and marketed mechanical calculator, the arithmometer enabled people to make fractions, additions, divisions, substractions and multiplications.
The machine improved upon the previous mechanical calculators of Blaise Pascal (1642) and applied the Leibniz wheel (1673) as a calculating device.
The upper part of the calculator contains the accumulator dials that display the results with a possibilty up to 16 digits. This enabled calculations up to one quadrillion.
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