Antique radios, Old Time Radios
Tun-A-Lite
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| Tube type: |
Glow Indicator (Neon) Indication |
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Late but very rare. *** |
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| Identical to |
Tun-A-Lite
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| Similar
Tubes |
Multiple differences or of other kind:
Tune-A-Lite
; VG-1
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| First Source
(s) |
1933 : Rider's Perpetual, Volume 4 = ca. 1934 and before p.4-8 Belmont
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| Filament |
--/-- |
| Description |
This Tun-A-Lite (not Tune-A-Lite) is a 3-electrode neon tuning indicator. The third electrode maintains a continuous gas discharge (pilot arc) to permit continuous main indication without need of new ignition after zero indication..
There is also a completely different 3-electrode design, the Sparton Viso-Glo VG-1.
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Tun-A-Lite: KoBi
Konrad Birkner † 12.08.2014
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3
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