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1 ene 1930 año - Overhead Projector

Descripción:

A projector that was originally used by the U.S. military for training purposes was then distributed to schools for visual aides that can be seen by all students in the classroom.

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Education Timeline- EDU221

ByBrookley Buchanan
9 mar 2020
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fecha:

1 ene 1930 año
Ahora mismo
~ 95 years ago
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