Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

Create a timeline

Public timelines

About & Feedback Соглашение Приватность FAQ

Cabinet Get premium

Donate

1 янв 1930 г. - Overhead projectors are used in the classroom

Описание:

Overhead projectors were first used by the military, but quickly became the go-to source of technology in classrooms for decades

Добавлено на ленту времени:

Technology in Schools

ByKris Lessinger

2 ноя 2017

0

0

341

Дата:

1 янв 1930 г.

Сейчас

~ 95 г назад

Изображения:

About & Feedback Соглашение Приватность FAQ

Cabinet Get premium

Donate

The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.

Secured with SSL