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7 h 48 m, 21 ene 1932 año - First light meter with photoelectric cell is introduced.
Añadido al timeline:
History of photography and cameras
By
Nadiya Mckenzie
2 oct 2018
0
0
516
fecha:
7 h 48 m, 21 ene 1932 año
Ahora mismo
~ 93 years ago
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