Antique radios, Old Time Radios
P4_Cossor
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Country:
Great Britain (UK)
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| Identical to |
P4_Cossor
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| Similar
Tubes |
Other characteristic (electr. data):
P3_Cossor
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| First Source
(s) |
1924 : Saga of the Vacuum Tube, Tyne p.375
1924 : British Radio Valves - The Vintage Years: 1904-1925 p.48
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 1.2 Volts / If 0.22 Ampere |
| Description |
Blue top.
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P4_Cossor: rtt
Anonymous 10 Collector
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Just Qvigstad
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| Data Compliance |
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