Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Ricevere il Premium

Create a timeline

Public timelines

About & Feedback Accordo Privatezza FAQ

Cabinet Get premium

Donate

2 gen 1930 anni - Overhead Projector

Descrizione:

Was originally used for training in the World War ll and then spread to schools.

Aggiunto al nastro di tempo:

Educational Timeline

4 dic 2017

0

0

431

Data:

2 gen 1930 anni

Adesso

~ 95 years ago

About & Feedback Accordo Privatezza FAQ

Cabinet Get premium

Donate

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

Secured with SSL