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Section 14, "Expanded Audion and Vacuum-tube Development (1917-1930)" [0], including Armstrong's original paper [1]. [0] https://earlyradiohistory.us/sec014.ht
by segfaultbuserr 6y ago
Section 14, "Expanded Audion and Vacuum-tube Development (1917-1930)" [0], including Armstrong's original paper [1].
[0] https://earlyradiohistory.us/sec014.htm https://earlyradiohistory.us/sec014.htm
[1] https://earlyradiohistory.us/1921sup.htm https://earlyradiohistory.us/1921sup.htm