Antique radios, Old Time Radios
R1131C
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Country:
United States of America (USA)
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| Identical to |
R1131C
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935
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| Was used by |
Technology / Measurement |
| Filament |
--/-- |
| Description |
Crater-glow type modulator, used for facsimile equipment. 5 to 35mA, 150V max. 15 to 15000Hz modulation frequency.
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| Information source |
- - Manufacturers Literature
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Just Qvigstad
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R1131C: Manufacturer's Literature
Emilio Ciardiello
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Collection of
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| Data Compliance |
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