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jan 1, 1625 - Slide Ruler

Description:

Invented by William Oughtred and used to make calculations.
[1] Kuhman, Harry J. "Slide Rule ." Mathematics. . Encyclopedia.com. 1 Mar. 2021 <https://www.encyclopedia.com>.
[2]Image from Wikipedia: https://en.wikipedia.org/wiki/Slide_rule

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history of computing hardware

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Date:

jan 1, 1625
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~ 401 years ago

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