Antique radios, Old Time Radios
R7899
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Country:
Japan
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| Identical to |
R7899
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| Base |
SPECIAL TUBEBASE in general
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| Was used by |
Technology / Measurement |
| Filament |
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| Description |
Spectral response: 300 ... 650 nm.
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Dimensions (WHD)
incl. pins / tip |
25 x 68 x mm / 0.98 x 2.68 x inch |
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R7899: Manufacturer's Literature
Anonymous 15 Collector
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R7899: Manufacturer's Literature
Heribert Jung
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