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7 out 1930 ano - Overhead Projector

Descrição:

Device that projects an enlarged image of a transparency sheet placed on it onto a screen, board, or wall in the classroom.

Adicionado na linha do tempo:

Edu 141 History of Technology Timeline

4 dez 2017

0

0

413

Data:

7 out 1930 ano

Agora

~ 95 years ago

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