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Topic - Interesting diagram of a vacuum tube from 1920 book "Thermionic Vacuum Tube" - alaskahiatt 20:12:45 08/21/22 (3)
- RE: Interesting diagram of a vacuum tube from 1920 book "Thermionic Vacuum Tube" - Palustris 09:41:31 08/22/22 (1)
- RE: Interesting diagram of a vacuum tube from 1920 book "Thermionic Vacuum Tube" - triode3 14:38:14 08/23/22 (0)
- RE: Interesting diagram of a vacuum tube from 1920 book "Thermionic Vacuum Tube" - 6bq5 21:41:46 08/21/22 (0)