Antique radios, Old Time Radios
SP501
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Country:
Germany
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| Identical to |
SP501
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Technology / Measurement |
| Filament |
--/-- |
| Description |
Hersteller: Professor Dr. Ing. Dr.hc. W. Heimann
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Dimensions (WHD)
incl. pins / tip |
33 x 105 x mm / 1.30 x 4.13 x inch |
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Just Qvigstad
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Collection of
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| Data Compliance |
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