Antique radios, Old Time Radios
DET21
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Country:
Great Britain (UK)
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| Identical to |
DET21
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| Base |
Jumbo 4-pin bayonet (1918)
Top contact with a cap.
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 10 Volts / If 5.5 Ampere / Direct / Specified voltage AC/DC |
Dimensions (WHD)
incl. pins / tip |
x 230 x 65 mm / x 9.06 x 2.56 inch |
| Information source |
Universal Vade-Mecum, Electron Valves and Semiconductor Devices group 373. p. 848 & 849
Babani, International Radio Tube Encyclopaedia p. 198 & 199
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DET21: Fin Stewart
Fin Stewart
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Just Qvigstad
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DET21: My schematic collection.
Pier Antonio Aluffi
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