Antique radios, Old Time Radios
PTZ
Country:
Great Britain (UK)
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Identical to |
PTZ
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Base |
British-7-Pin, old (M7A)
Top contact with a cap.
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Was used by |
Radio/TV-reception etc. |
Filament |
Vf 40 Volts / If 0.2 Ampere / Indirect |
Description |
Grid connection from top cap.
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Information source |
Babani, International Radio Tube Encyclopaedia p. 132 & 133
Wireless World (The), London (WW, 79) November 22, 1935
Taschenbuch zum Röhren-Codex 1948/49
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PTZ: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20
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Just Qvigstad
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