Antique radios, Old Time Radios
S201b
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Country:
Austria
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| Identical to |
S201b
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 3 Volts / If 0.3 Ampere / Direct / Battery = |
Dimensions (WHD)
incl. pins / tip |
x 85 x 44 mm / x 3.35 x 1.73 inch |
| Weight |
60 g / 2.12 oz |
| Information source |
Saga of the Vacuum Tube, Tyne p.463
- - Manufacturers Literature Undated catalogue c. 1925
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S201b: rtt
Anonymous 10 Collector
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Just Qvigstad
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S201b: Die Röhre, H. C. Riepka, 1926
Gerhard Eisenbarth
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