Antique radios, Old Time Radios
DC/Pen
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Country:
Great Britain (UK)
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| Identical to |
DC/Pen
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| First year |
1930
-- Original prospect or advert Pye Twintriple DC4D from 1930
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| First Source
(s) |
Jan.1931 : Wireless World (The), London (WW, 79) p iii
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| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Sidecontact.
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| Filament |
Vf 8 Volts / If 0.5 Ampere / Indirect / Specified current DC = (Series working) |
| Description |
First British tube series for dc mains use.
gm 2.5mA/V
Price 1.4 GBP in 1931
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature
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Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
Collection of
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