Antique radios, Old Time Radios
RDG1
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Country:
France
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| Identical to |
RDG1
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 0.4 Ampere / Direct |
| Description |
Wolfram-Heizdraht
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| Information source |
-- Collector info (Sammler) Lehrb. d. drahtl. Telegraphie, 1925, S.756
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RDG1: Lehrbuch der drahtlosen Telegraphie, Zenneck, 5. Aufl., 1925
Anonymous 15 Collector
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