Antique radios, Old Time Radios
LVB
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Country:
Netherlands
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| Identical to |
LVB
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| First year |
1920
- - Manufacturers Literature Ad in January 1921 - but made already in 1920.
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| First Source
(s) |
Jan.1921 : -- Collector info (Sammler)
1922 : Saga of the Vacuum Tube, Tyne page 424, 425
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| Production stop |
Aug.1924 |
| Base |
Edison medium E14 = 14 mm, mignon
Base on each end.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 3.7 Volts / Direct / Battery = |
| Description |
There are at least two slightly different looking tubes: The early type which is pictured in the Heussen catalog , dated April 1922. In an other catalog, dated November 1922, this LVB has a glass arbor against microphonics.
Text in other
languages (may
differ)
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Just Qvigstad
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LVB: own collection
Peter den Boer
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Collection of
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