Nederlands Forum over Oude Radio's
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B7X14A Reverbeo

Geschreven door roger adam op 08. Feb 2004 19:31:50:

Hello, I have just started to restore this radio. The Lumin Dial is dim and I notice that there is a chemical reaction taking place between the two sheets of glass. It looks like mother of pearl swirls working across the glass!. This unit is fed with 250 volts AC, in order to illuminate. Does anyone know the theory of how this type of scale illumination works?.

I intend to manufacture a similar design using frosted glass, covered in green gelatine with a small number of miniature lamps. Any information on this subject would be most welcome.

Roger, G7JAQ Surrey, England




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