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April 1, 2024
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Electromechanical tabulating machines (jan 1, 1920 – jan 1, 0)
Description:
By 1930 electromagnetic tabulating machines could add, subtract and print accumulated totals.
Added to timeline:
6 Aug 2018
0
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438
Science Timeline Computers
Date:
jan 1, 1920
jan 1, 0
~ 1 years