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The Description and Use of Two Arithmetick Instruments of Samuel Morland (7h 50min, nov 18, 2018 y – 20h 53min, jul 30, 2019 y)

Description:

In the book The Description and Use of Two Arithmetick Instruments of Samuel Morland are described two calculating devices, one of them was a called multiplying machine based on Napier's rods.

Added to timeline:

Counting/Caculating Inventions

ByEmily Stark
4 Nov 2019
0
0
373

Date:

7h 50min, nov 18, 2018 y
20h 53min, jul 30, 2019 y
~ 8 months
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