![File:Triode tube 1906.jpg](http://178.128.105.246/cars-http-upload.wikimedia.org/wikipedia/commons/thumb/1/14/Triode_tube_1906.jpg/800px-Triode_tube_1906.jpg)
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Original file (1,835 × 1,258 pixels, file size: 194 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:53, 20 December 2006 | ![]() | 1,835 × 1,258 (194 KB) | Yves-Laurent | Rétablissement de la version précédente |
22:50, 20 December 2006 | ![]() | 1,835 × 1,258 (194 KB) | Yves-Laurent | == Summary == {{Information |Description= Lee de Forest's triode tube (Audion) from 1906. Courtesy of History of San Jose, Perham Collection of Early Electronics. |Source= en:Triode_tube_1906.jpg : Photo by original uploader, taken at The History of | |
03:46, 13 November 2006 | ![]() | 1,835 × 1,258 (194 KB) | Gmaxwell | {{Location dec|37.618615|-122.386993|scale:1000}} {{Information |Description=Lee de Forest's triode tube (Audion) from 1906. Courtesy of History of San Jose, Perham Collection of Early Electronics. |Source=Photo by uploader, taken at ''The History of Audi |
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