The GE SuperRadio FAQ - The GE SuperRadio Frequently Asked Questions List - http://mysite.verizon.net/vze20h45/radio/superadio/gesr_faq.html
Vintage Radio Repair and Restoration - Do-it-yourself repair information, valve theory, and home-made test equipment, by British collector Paul Stenning. - http://www.vintage-radio.com/
Crystal Rocket Radio - How to build your own, by Gary Litwin, using a water-powered toy rocket. Text-only, with an ASCII art diagram. - http://www.dobe.com/wts/funk/kristall.txt
Atwater Kent Tech Resources - Provides service manuals, schematics, and reference material for technicians involved in restoring and maintaining sets built from 1921 to 1936. Also includes parts fabrication drawings and high-quality redrawn schematics. The Antenna section features ind - http://www.atwaterkent.info/
Schemi Radio TV - Database of schematics of Italian-made radios as recent as 1950, available in pdf format. Requires free registration. [English, Italian] - http://www.schemiradiotv.com/
Restoration of German Tube Radios - Walter's Radioflier - Index of schematics and tube data sheets that he has available. Hints for the repair of several sets, including a Volksempfänger VE 301 GW. List of spare parts that he has plus a list of parts he's looking for. [English and German] - http://home.arcor.de/walter.groer/index_e.htm
PhilcoRadio.com - 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. - http://www.philcoradio.com/
How to Rejuvenate your Headphones - Evaluating and remagnetizing old headphones, with a Brandes pair used as an example. Originally was a presentation by Tom Provost and Gary D'Amico. - http://www.eht.com/oldradio/clubinfo/monthly/Nov-96/HEADPHON.html
AA5 History - A description of the classic "All-American" five-tube superheterodyne AC/DC AM radio circuit used in the majority of consumer receivers made in North America, from the 1930s through to the '60s. Includes a tube substitution table and a typical s - http://home.netcom.com/~wa2ise/radios/aa5h.html
Rec.antiques.radio+phono FAQ - 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. - http://www.antiqueradio.org/radfaq.htm