Antique radios, Old Time Radios
6/100
Country:
France
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Identical to |
6/100
= 6/100Am
= 6/100Amp
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Similar
Tubes |
Other base:
6/100_Y4
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First year |
1924
Saga of the Vacuum Tube, Tyne page 400, 401
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Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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Filament |
Vf 4 Volts / If 0.06 Ampere / Direct / Battery = |
Description |
In 1924 marketet tubes having both a name and a number. This tube: 6/100 Micro-Mètal. Note G-D-E-R etched on tube: Groupement pour le Dèveloppement des Èmissions Radiophoniques (Group for the development of broacasting), which existed from 1924 to 1929. This Organization was formed to give financial assistance to broadcasting stations before they had income from advertising. Funds were raised by a tax on all tubes sold in France - whether domestic foreign. Supporting manufacturers could brand their tubes with this mark.
Text in other
languages (may
differ)
|
Information source |
Saga of the Vacuum Tube, Tyne page 400, 401
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6/100: own collection
John Koster
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6/100: KoBi
Konrad Birkner † 12.08.2014
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6/100: own collection
Peter den Boer
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from Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4
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