Antique radios, Old Time Radios
CF-340
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Country:
United States of America (USA)
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| Identical to |
CF-340
= Oscillion_250W
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| Base |
Wires
Wires only.
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| Was used by |
Military and/or Government |
| Filament |
Vf 30 Volts / If 2.4 Ampere / Direct / Battery = |
| Description |
This tube is otherwise known as the de Forest 1/4 kW tube, or Oscillion_250w. Anode voltage is 1500. It was used in the de Forest 1.2 kW patrol boat and dirigible sets, as well as the deForest 1/4kW aeroplane sets.
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| Information source |
Saga of the Vacuum Tube, Tyne Page 128
-- Collector info (Sammler) Radio Test Lab, report, US Navy 3/2/1919
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Collection of
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