Antique radios, Old Time Radios
PR-3A
Country:
United States of America (USA)
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Identical to |
PR-3A
= UV203
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Base |
Jumbo 4-pin bayonet (1918)
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Was used by |
Transmittertube (Radio) |
Filament |
Vf 10 Volts / If 3.25 Ampere / Direct |
Dimensions (WHD) incl. pins / tip |
x 191 x 51 mm / x 7.52 x 2.01 inch |
Information source |
Tube Lore (II) p. 29 & 214
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PR-3A: Fin Stewart
Fin Stewart
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Just Qvigstad
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