16
/
en
AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
70695
6501
2

jul 9, 1642 - Blaise Pascal invents first adding machine using gears

Added to timeline:

26 Sep 2017
0
0
88
calculator
wry

Date:

jul 9, 1642
Now
~ 376 years ago
PayPal - The safer, easier way to pay online!logo
About & FeedbackTermsPrivacy