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Old 02-08-2025, 11:56 PM
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Penthode Penthode is offline
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Join Date: Jun 2009
Location: Kitchener/Waterloo Ontario Canada
Posts: 1,453
As a teenager, I remember reading a 1950 Popular Science article how to convert your TV from a 10BP4 to a 16AP4.

https://books.google.com/books?id=KS...icture&f=false
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