File:Experimental triode (1906) in a radio (1914).jpg
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Captions
Captions
An experimental triode by [[Lee De Forest]] (1906) in a 1914 radio by [[Edwin Howard Armstrong]]
Summary edit
_in_a_radio_(1914).jpg&action=edit§ion=1){kind=link}
| Description |
English: An experimental triode by Lee De Forest (1906, top) inserted into a 1914 radio by Edwin Howard Armstrong at the National Museum of American History |
| Date | |
| Source | Own work |
| Author | Votpuske |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:50, 20 November 2023 | | 1,709 × 2,356 (307 KB) | Votpuske (talk | contribs) | Uploaded own work with UploadWizard |
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