Datoteka:Triode tube 1906.jpg

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Lokacija kamere37° 37′ 07,01″ S, 122° 23′ 13,17″ Z Kartographer map based on OpenStreetMap.Ova i druge slike na njihovim lokacijama na: OpenStreetMapinfo
Opis
English: An early De Forest audion tube, the first electron tube that could amplify. The first triode, or tube with three electrodes, a filament, grid, and plate, the audion was invented in 1906 by American engineer Lee De Forest. The top metal electrode is the plate. The zigzag metal wire partly visible under it is the grid. The filament was originally under that, attached to the wires at left, but has burned out. As many Audions did, this model had two filaments (indicated by the four filament supply wires) so that when one burned out the "spare" could be used. The filament wires were attached to the screw terminal at left, while the grid and plate terminals were brought out through the right end of the glass envelope to the two wires at right. Tube belongs to History of San Jose, Perham Collection of Early Electronics.
Datum GMT
Izvor Photo by uploader, taken at The History of Audio: The Engineering of Sound, an exhibition of the San Francisco Airport Museums[1] in SFO Airport, Terminal 3 from 2006-09 to 2007-05.
Autor Gregory F. Maxwell <gmaxwell@gmail.com> PGP:0xB0413BFA
Dopuštenje
(Ponovna upotreba ove datoteke)		 GFDL-1.2
Ja, vlasnik autorskog prava ovog djela, ovdje ga objavljujem pod sljedećom licencom:
GNU head Dozvoljeno je kopirati, distribuirati i/ili mijenjati ovaj dokument pod uslovima navedenim u GNU licenci za slobodnu dokumentaciju, samo verzija 1.2 objavljenoj od strane Free Software Foundation; bez nepromjenljivih dijelova, te bez sadržaja na naslovnoj i zadnjoj strani. Kopija licence se nalazi pod poglavljem GNU Free Documentation License. samo 1.2

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12 novembar 2006

koordinate tačke gledišta Serbian (Latin script)

37°37'7.014"N, 122°23'13.175"W

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Datum/vrijemeMinijaturaDimenzijeKorisnikKomentar
aktualna00:53, 21 decembar 2006Minijatura verzije (00:53, 21 decembar 2006)1.835 × 1.258 (194 kB)Yves-LaurentRétablissement de la version précédente
00:50, 21 decembar 2006Minijatura verzije (00:50, 21 decembar 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
05:46, 13 novembar 2006Minijatura verzije (05:46, 13 novembar 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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