Treffen Tastsinn Wagen adding machine inventor Beunruhigt Medien Nicht autorisiert
Adding machines – History of Information Technology
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Image of Eine von Blaise Pascal entworfene Zusatzmaschine.
NIHF Inductee William Burroughs Invented the Calculator
Morland's calculating machine | Science Museum Group Collection
Victor Adding Machine Co., est. 1918 - Made-in-Chicago Museum
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Morland's Calculating Machine, 1666-1695 | Science Museum Group Collection
Quest Global - Who else but a bank clerk could have invented the 'adding machine'! Yes, William Seward Burroughs, who invented the first practical adding and listing machine, began his career as
Adding machines – History of Information Technology
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Machines That Add - History of the Office and Office Equipment: A Resource Guide - Research Guides at Library of Congress