33
/ru/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
79411
7310
2
Create a timeline
Public Timelines
For educational institutions For teachers For students Cabinet
For educational institutions For teachers For students Open cabinet
FAQ Получить премиум
Create a timeline
Public timelines
FAQ
About & FeedbackСоглашениеПриватностьFAQ
Support 24/7  
CabinetGet premium
Donate

21 ноя 1946 г. - Trackball

Описание:

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

Добавлено на ленту времени:

Computer mice

Byjoe
29 сен 2017
0
0
633

Дата:

21 ноя 1946 г.
Сейчас
~ 78 г назад
About & FeedbackСоглашениеПриватностьFAQ
Support 24/7  
CabinetGet premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL