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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
By
Kiana Harris
4 dez 2017
0
0
314
Data:
7 out 1930 ano
Agora
~ 93 years ago
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