Antique radios, Old Time Radios
W42
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Country:
Great Britain (UK)
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| Identical to |
W42
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| Similar
Tubes |
Normally replaceable-slightly different:
CV1183
; NR61
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| Base |
British-7-Pin, old (M7A) (Codex=Nf)
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 0.6 Ampere / Indirect |
| Description |
Tube listed in "History of the British Radio Valve to 1940" and "The Saga of Marconi Osram Valve" shows heater current at 1 amp. Others show .6 amp.
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| Information source |
The Saga of Marconi Osram Valve p. 302 & 335
History of the British Radio Valve to 1940 p. 142 & 196
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49
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W42: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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W42: Osram Valves, Radio season 1936-1937
Dirk Bladt
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):20
Collection of
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