A family of early-’20s Magnavox triodes, as covered, along with the newly revealed “Kathion” rectifier, in the lead article.
In this issue
- The History of Early Magnavox Tubes
- Notes on Magnavox
- The New Magnavox Tube
- Farnsworth TV Transmitters to Be Made by Heintz & Kaufman
- Marconi-Osram Four-Electrode Valves
- Racon Blows it Out
- Mome-Made Tubes: The Work of Akeksander Zawada in Poland
- Review: Make your Own Tube Testers and Electron Tube Equipment
- Espenschied Writes to Round
- Electrons, Inc.
- German Magnatrons – The LMS11
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