FAQs, Help, and Tutorials Websites

Database of schematics of Italian-made radios as recent as 1950, available in pdf format. Requires free registration. [English, Italian]

Do-it-yourself repair information, valve theory, and home-made test equipment, by British collector Paul Stenning.

Original articles on the design of crystal radio sets with additional articles on TRF and the Edison Company radios as well as antique hearing aids.

The newsgroup FAQ separated into several different pages, with topics ranging from vacuum tube design, to suppliers, tools and test equipment, cabinet restoration, and trouble-shooting tips.

Vintage radio restoration service, by Ron Ramirez Enterprises. Features a gallery of older Philco models, downloadable schematics, do-it-yourself servicing and tuning tips, identification and dating guide.

Personal collection of antique radios and electronics, vacuum tube equipment repair advice, resistor decade box plans.