33
/ru/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
3839962
353562
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

1 янв 1930 г. - Overhead Projector

Описание:

A projector that was originally used by the U.S. military for training purposes was then distributed to schools for visual aides that can be seen by all students in the classroom.

Добавлено на ленту времени:

Education Timeline- EDU221

ByBrookley Buchanan
9 мар 2020
0
0
274

Дата:

1 янв 1930 г.
Сейчас
~ 95 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