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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
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dec 12, 1859 - J. Plucker built one of the first cathode-ray tubes.

Added to timeline:

26 Sep 2017
0
0
739
atomic timeline

Date:

dec 12, 1859
Now
~ 164 years ago
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