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1 mar 1930 ano - RETROPROYECTOR

Descrição:

nicialmente utilizados por los militares de EE.UU. para fines de entrenamiento, los proyectores se extendieron rápidamente a las escuelas y otras organizaciones de todo el País.

Adicionado na linha do tempo:

Historia de la Tecnologia Educativa

ByDILSA YAMILE ALARCON
8 out 2018
0
0
394

Data:

1 mar 1930 ano
Agora
~ 95 years ago

Imagens:

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