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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
March 31, 2021
4743239
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1 jan 1930 ano - Overhead Projector

Descrição:

In the United States, the overhead projector was used to train the US military, but has since been adapted into schools and organizations. The effectiveness of a common screen facilitates learning, making it an effective tool.

Adicionado na linha do tempo:

4 meses atrás
0
0
111
Ed 131 Technology Timeline

Data:

1 jan 1930 ano
Agora
~ 91 years ago
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