Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Get premium

Create a timeline

Public timelines

About & Feedback Terms Privacy FAQ

Cabinet Get premium

Donate

sep 23, 1930 - Overhead Projector

Description:

The projector started to enter the school system. The projector still survives today in many American schools.

Added to timeline:

Education Timeline

3 Dec 2017

0

0

406

Date:

sep 23, 1930

Now

~ 95 years ago

About & Feedback Terms Privacy FAQ

Cabinet Get premium

Donate

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

Secured with SSL