Antique radios, Old Time Radios
GI_Philips
| Base |
Swan-Bajonett B22=22 mm
Base on each end.
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 6 Volts / If 2.25 Ampere / Direct |
| Description |
The G 1 designation shows up for the first time in the Philips catalogue 722H dated 1-8-1921 and is rated at 10/20 Watt output. In the Philips catalogue H402 dated August 1920, the same tube is called "10 Watt".
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Dimensions (WHD)
incl. pins / tip |
30 x 150 x mm / 1.18 x 5.91 x inch |
| Information source |
- - Manufacturers Literature H728 1 April 1922
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Just Qvigstad
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GI_Philips: own collection
Peter den Boer
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