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27 sept. 1923 - Robert Millikan
Description:
He made the discovery of extending the ultraviolet spectrum downwards far beyond the then known limit.
Ajouté au bande de temps:
Science Timeline
By
Brayden Johll
8 janv. 2018
0
0
314
Date:
27 sept. 1923
Maintenaint
~ Il y a 100 ans
Les images:
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