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A comment on United States Early Radio History.

Re:United States Early Radio History by OptCohTomo on Sunday October 11, 2020 @07:13PM (#24749932)
Where is Edwin Armstrong?
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Re:United States Early Radio History by segfaultbuserr on Sunday October 11, 2020 @11:02PM (#24751041)
Section 14, "Expanded Audion and Vacuum-tube Development (1917-1930)" [0], including Armstrong's original paper [1].

[0] https://earlyradiohistory.us/sec014.htm

[1] https://earlyradiohistory.us/1921sup.htm

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