25
/es/
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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
March 31, 2021
4743239
423828
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1 ene 1930 año - Overhead Projector

Descripción:

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.

Añadido al timeline:

hace 4 meses atrás
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Ed 131 Technology Timeline

fecha:

1 ene 1930 año
Ahora mismo
~ 91 years ago
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