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7 h 48 min, 21 janv. 1932 ans - First light meter with photoelectric cell is introduced.

Ajouté au bande de temps:

History of photography and cameras

ByNadiya Mckenzie
2 oct. 2018

Date:

7 h 48 min, 21 janv. 1932 ans
Maintenaint
~ Il y a 92 ans
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