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Slide rule mentioned in Pepys' diary entry of May 5 1663
(
pepysdiary.com
)
2 points
by
bufordtwain
on May 6, 2016
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1 comment
ahazred8ta
on May 6, 2016
[–]
Note that Oughtred developed the first slide rules circa 1622, based on earlier work by Gunter and Napier. Pepys mentioned seeing a very small one.
https://en.wikipedia.org/wiki/William_Oughtred
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