![File:Triode tube 1906.jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/1/14/Triode_tube_1906.jpg/800px-Triode_tube_1906.jpg)
Size of this preview: 800 × 548 pixels. Other resolutions: 320 × 219 pixels | 640 × 439 pixels | 1,024 × 702 pixels | 1,280 × 878 pixels | 1,835 × 1,258 pixels.
Original file (1,835 × 1,258 pixels, file size: 194 KB, MIME type: image/jpeg)
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
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 |
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
Global file usage
The following other wikis use this file:
- Usage on ar.wikipedia.org
- Usage on ast.wikipedia.org
- Usage on bg.wikipedia.org
- Usage on ca.wikipedia.org
- Usage on da.wikipedia.org
- Usage on de.wikipedia.org
- Usage on el.wikipedia.org
- Usage on eo.wikipedia.org
- Usage on es.wikipedia.org
- Usage on eu.wikipedia.org
- Usage on fa.wikipedia.org
- Usage on fi.wikipedia.org
- Usage on fr.wikipedia.org
- Usage on gl.wikipedia.org
- Usage on hr.wikipedia.org
- Usage on hu.wikipedia.org
- Usage on io.wiktionary.org
- Usage on it.wikipedia.org
- Usage on ja.wikipedia.org
View more global usage of this file.
🔥 Top keywords: Akademia e Shkencave e RPS te ShqiperiseAlexandria Ocasio-CortezBilderberg GroupCristiano RonaldoDong XiaowanMinecraftOperation GladioPrimal cutRiot FestStrictly Come Dancing (series 7)Main PageSpecial:SearchWikipedia:Featured picturesUEFA Euro 2024Donald SutherlandJacob FatuInside Out 2CleopatraUFC on ABC: Whittaker vs. AliskerovDeaths in 2024List of teams that have overcome 3–0 series deficitsCristiano RonaldoUEFA European ChampionshipChappell RoanJessica AlbaSam FatuHouse of the Dragon2024 Copa AméricaYouTubeRomelu Lukaku.xxxSherri Papini kidnapping hoaxPepe (footballer, born 1983)Project 2025The BikeridersTaylor Wily2024 ICC Men's T20 World CupSabrina CarpenterKiefer SutherlandThe Boys (TV series)Copa AméricaKalki 2898 ADHinduja GroupTaylor SwiftOpinion polling for the 2024 United Kingdom general electionThe Boys season 4BridgertonShania TwainGeorgia (country)