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11h 4min, mar 4, 1550 y - Devices with gears and flutes for calculations- 16th-17th century
Description:
A calculating clock, a pasclaine, and a stepped reckoner were made.
Added to timeline:
30 Jan 2018
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Computer History
Date:
11h 4min, mar 4, 1550 y
Now
~ 474 years ago