Antique radios, Old Time Radios
B242
|
Country:
Netherlands
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| Identical to |
B242
|
| Similar
Tubes |
Normally replaceable-slightly different:
215SG_Cleartron
; 220SG
; BS215
; S215/S
; SG215
Other base:
B242_UX4
|
| First year |
1932
Tube leaflet collection E.Erb Analysis by original leaflets
|
| First Source
(s) |
Aug.1930 : Philips Bulletin R1164, p. 14
|
| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Er)
Top contact screw type.
|
| 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. 36
Babani, International Radio Tube Encyclopaedia p. 52 & 53
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
|
|
B242: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
|
Just Qvigstad
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B242: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
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