Antique radios, Old Time Radios
Ionenröhre-Gundelach
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Country:
Germany
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| Identical to |
Ionenröhre-Gundelach
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| Base |
No base
Side contacts.
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| Filament |
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| Description |
Gas tube Gundelach ca. 1920 on wooden Stand, length 8.6 inches, bowl diameter 3.15.
Patent No. D.R.P. 103100.
For demonstration of formation and effect from cathode rays, manufactured from special glass.
Text in other
languages (may
differ)
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Dimensions (WHD)
incl. pins / tip |
80 x 330 x mm / 3.15 x 12.99 x inch |
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