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United States Early Radio History: The Versatile Audion

Curated by ACT

A reprint of an article from the magazine, "Electrical Experimenter," from February 1920, by H. Winfield Secor, describes some of the many practical uses to which the audion has been adapted.

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Classroom Considerations
  • Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)
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