Antique radios, Old Time Radios
HF-Relay
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Country:
Great Britain (UK)
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| Identical to |
HF-Relay
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| First Source
(s) |
1925 : British Radio Valves - The Vintage Years: 1904-1925 p.4, 61 & 113
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| Base |
SPECIAL TUBEBASE in general
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 3 Volts / If 0.06 Ampere / Direct / Battery = |
| Description |
This tube was double ended with an interservice IS1 base at each end. The grid and anode are wire spirals, with a straight filament.
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| Information source |
-- Collector info (Sammler)
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| Data Compliance |
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