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21 nov 1946 - Trackball

Description:

The trackball, a pointing device, was invented in 1946 and patented in 1947 by Ralph Benjamin as part of a radar plotting system

Ajouté au bande de temps:

Computer mice

Byjoe
29 sept. 2017
0
0
633

Date:

21 nov 1946
Maintenaint
~ Il y a 78 ans
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