Antique radios, Old Time Radios
R1130B
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Country:
United States of America (USA)
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| Identical to |
R1130B
= 1B59
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935
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| Filament |
--/-- |
| Description |
Crater-type glow modulator. Blue-violet spot. Used in facsimile equipment to write on the sensitive paper.
- 5 to 35mA, 75mA pk.
- 5 to 15000Hz modulating frequency.
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| Information source |
- - Manufacturers Literature
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Just Qvigstad
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R1130B: Manufacturer's Literature
Emilio Ciardiello
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Collection of
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