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dec 21, 1897 - J.J Thompson

Description:

Studied "canal rays" and found they were associated with the proton H +

J.J. Thomson determined the charge to mass ratio of electrons.

Added to timeline:

8 Dec 2017
1
0
107
Nedo Matic Atomic timeline

Date:

dec 21, 1897
Now
~ 121 years ago

Images:

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