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may 26, 1940 - Retroproyector
Description:
Este proyector era mas sencillo de manipular y mas eficaz para las clases.
Added to timeline:
1 Nov 2018
0
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325
Evolución tecnologica en las aulas
Dayana Díaz López
Date:
may 26, 1940
Now
~ 83 years ago
Images: