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| View Original: | Cylindrical Audion, made by Lee deForest's laboratory, c. late 1910s-1920s - National Electronics Museum - DSC00106.JPG (2133x4081) | |||
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| Keywords: Cylindrical Audion, made by Lee deForest's laboratory, c. late 1910s-1920s - National Electronics Museum - DSC00106.JPG Audion triode vacuum tube made by Lee De Forest who invented the Audion in 1906 The Audion was the first vacuum tube which could amplify This is a later model from the mid-1920s as indicated by the silvery getter coating on the inside of the glass envelope As stated on the base the De Forest Co was only allowed to sell tubes to amateurs; De Forest had sold the commercial rights to the tube to Western Electric Exhibit in the National Electronics Museum 1745 West Nursery Road Linthicum Maryland USA All items in this museum are unclassified The museum permitted photography without restriction 2014-07-21 14 29 17 own Daderot cc-zero Vacuum tubes in the National Electronics Museum Uploaded with UploadWizard Audion | ||||
