Radios antiguas y Radios de Colección
2977
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País:
Estados Unidos
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| Idéntica a |
2977
= UX112
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| Base |
UX-Base (4 Pins (2 thick, USA 1924)
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| Usada en |
Radio/TV-reception etc. |
| Filamento |
Vf 5 Volt / If 0.25 Ampere / Direct / Battery = |
| Descripción |
The American company Sears Roebuck, with its head office in Chicago, sold the standard range of American designed and made radio tubes from 1925. A few small manufacturers made these and they were branded "WLS" (Worlds Largest Store). The company allotted each tube a four digit type number.; The company also sold regular branded tubes such as Radiotron, Cunningham, Solartron and Meteor.
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Dimensiones
(Alt,Ancho,Prof.)
incl.pins/tip |
x 108 x 45 mm / x 4.25 x 1.77 inch |
| Peso |
47 g / 1.66 oz |
| Literatura |
-- Collector info (Sammler)
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2977: Fin Stewart
Fin Stewart
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Just Qvigstad
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Colección personal de
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| Cumplimiento de datos |
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