Antique radios, Old Time Radios
TB452
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Country:
Great Britain (UK)
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| Identical to |
TB452
= 25_Pix
= B255
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| First Source
(s) |
22.Nov.1935 : Wireless World (The), London (WW, 79)
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Er)
Top contact screw type.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2 Volts / If 0.15 Ampere / Direct |
| Information source |
L'ABCDaire des lampes de TSF des jeunes années p. 91 & 135
Universal Vade-Mecum, Electron Valves and Semiconductor Devices Section 177, p. 306
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TB452: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20
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Just Qvigstad
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