Antique radios, Old Time Radios
VT189_GPO
Country:
Great Britain (UK)
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Identical to |
VT189_GPO
= CV1128
= GT1C
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Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928
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Was used by |
Telephony |
Filament |
Vf 4 Volts / If 1.3 Ampere / Indirect / Specified voltage AC/DC |
Description |
Special small argon filled tube designed by MOV as the GT1C and used in the measurement of AC voltage using a technique known as "slide back".
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Information source |
The Saga of Marconi Osram Valve Pages 248 & 249
Babani, International Radio Tube Encyclopaedia Page 305
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Just Qvigstad
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