Leibniz machine (20h 7min, jun 30, 1671 y – 18h 9min, oct 25, 1671 y)
Description:
It was a calculating machine. It used the binary system to function. It was created in 1671. Image: https://www.google.com/imgres?imgurl=http%3A%2F%2Fwww.gwleibniz.com%2Fcalculator%2Fimages%2Fcalculator_tb.jpg&imgrefurl=http%3A%2F%2Fwww.gwleibniz.com%2Fcalculator%2Fcalculator.html&docid=UIP_jVgrmORuwM&tbnid=yKtDRrKAF-kvhM%3A&vet=10ahUKEwjX7LTrsPjWAhVB7oMKHYFYD6cQMwglKAAwAA..i&w=300&h=225&safe=active&bih=630&biw=1366&q=leibniz%20machine&ved=0ahUKEwjX7LTrsPjWAhVB7oMKHYFYD6cQMwglKAAwAA&iact=mrc&uact=8
Added to timeline:
Date:
20h 7min, jun 30, 1671 y
18h 9min, oct 25, 1671 y
~ 3 months and 27 days