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- 08:58, 7 April 2025 NoreenNeilsen7 talk contribs created page Selling Vacuum Tubes Sockets Capacitors Etc. (Created page with "For over 40 years, Radio Electric Supply has actually provided the globe with radio and vacuum tubes for every possible application. This can be either just a filament coated with a mix of barium and strontium oxides and various other materials, or it can be an "indirectly heated" cathode, which is simply a nickel tube with a finishing of these exact same oxides on its outer surface and a heating filament inside. <br><br>Whether you need vacuum tubes for sector, hi-fi ap...")