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Vintage Radio (domestic) Domestic vintage radio (wireless) receivers only.

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Old 4th Oct 2022, 5:16 pm   #21
paulsherwin's Avatar
Join Date: Jun 2003
Location: Oxford, UK
Posts: 25,557
Default Re: Unknown Radio

Half wave rectified! Even more basic than I thought. Still, so long as it works...
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Old 4th Oct 2022, 10:07 pm   #22
rambo1152's Avatar
Join Date: May 2010
Location: Manchester, UK.
Posts: 3,619
Default Re: Unknown Radio

And a Zener stabilised, with no current limiting resistor.
And there's the charging switch with the indicator lamp, as I remembered it. This was in the days when battery manufacturers had no interest in selling rechargeable cells to the public.
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