Antique radios, Old Time Radios
S4020B
| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Telephony |
| Filament |
Vf 2 Volts / If 0.25 Ampere / Direct / Battery = |
Dimensions (WHD)
incl. pins / tip |
x 116 x 57 mm / x 4.57 x 2.24 inch |
| Weight |
65 g / 2.29 oz |
| Information source |
Babani, International Radio Tube Encyclopaedia
- - Manufacturers Literature Sept 1950
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S4020B: Fin Stewart
Fin Stewart
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Just Qvigstad
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