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1 janv. 1841 - The chalkboard was introduced into the classroom.

Description:

By Tungsten (photo taken by Tungsten) [Public domain], via Wikimedia Commons

Ajouté au bande de temps:

A Brief History of Educational Technology

ByGeorge Tam
18 sept. 2017

Date:

1 janv. 1841
Maintenaint
~ Il y a 183 ans

Les images:

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