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27 mars 1930 - Overhead Projector

Description:

Initially used by the U.S military for training purposes in WWII, overhead projectors quickly spread to schools and other organizations around the country.

Ajouté au bande de temps:

EME

ByDayanira Feliciano
14 nov. 2017
0
0
565

Date:

27 mars 1930
Maintenaint
~ Il y a 95 ans

Les images:

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