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Log slide rule (14h 39min, nov 21, 2018 y – jan 1, 1815)
Description:
Peter Mark Roget invented the log slide rule, which included a scale displaying the logarithm of the logarithm.
Added to timeline:
4 Nov 2019
0
0
256
Counting/Caculating Inventions
Date:
14h 39min, nov 21, 2018 y
jan 1, 1815
~ 204 years