Catalogue de radios anciennes
I-T-E-V
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| Type: |
Triode, vacuum Universal |
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<1925 extrêmement rare |
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| Identique à |
I-T-E-V
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| Première série |
Mar.1921
70 Years of Radiotubes and V.
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Successeurs
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1921
RMR
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| Culot |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Chauffage |
Vf 3.5 Volt / Direct / Specified voltage AC/DC |
| Description |
Made by H W Sullivan. Known as "The Improved Three Electrode Valve" - no type number. Made to the R pattern during 1921. Superceded probably because of patent infringement action. With 50V on anode Ia = 1.5mA at Vg=0. Stokes - p 208.
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| Bibliographie |
70 Years of Radiotubes and V.
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Just Qvigstad
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[rmxtube-fr, noindex]
| Mentions légales |
Plus d'informations |
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