Antique radios, Old Time Radios
4021C
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Country:
Great Britain (UK)
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| Identical to |
4021C
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| Base |
UV-Base (4 Pins+Bayonet, USA 1914 WE)
Top contact with a cap.
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| Was used by |
Telephony |
| Filament |
Vf 4 Volts / If 0.25 Ampere / Direct / Specified voltage AND current AC/DC |
| Description |
Telephone repeater tube. Grid connection from top cap
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Dimensions (WHD)
incl. pins / tip |
57 x 127 x mm / 2.24 x 5.00 x inch |
| Weight |
65 g / 2.29 oz |
| Information source |
- - Manufacturers Literature
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4021C: Fin Stewart
Fin Stewart
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Just Qvigstad
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