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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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20 mayo 1891 año - A prototype of the Kinetoscope was revealed to the world. Predecessor to the movie projector.
Añadido al timeline:
A Brief History of Educational Technology
By
George Tam
18 sep 2017
0
0
834
fecha:
20 mayo 1891 año
Ahora mismo
~ 134 years ago
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