Features a brief profile of the company formerly located in Sandusky, Ohio. Includes photos of the plant site and a few models from the production line.

The history and theory of crystal receivers. Vintage and modern kits, pictures, and links.

An archive of over 1000 photos of antique radios, information on future and past club meetings and auctions, and reference material for repairing old sets.

Austrian radio history, with a profile of Eng. Franz Zehetner (1907-1986) and his radio and television products, with photographs and advertising copy. [Mostly German, but with some English text]

Chuck Schwark provides many resources for the Philco radio collector and restorer, ranging from parts cross-references, to service information on some of the more obscure features such as the "Beam-Of-Light" tonearm pickup, and an identification guide for early cathedral models.

Mainly UK and North American sets from the 1920s to the 1960s. Picture galleries include thousands of photographs of radios, devices (valves or tubes) and device boxes.

Discussion of home entertainment technology of the past century. Photos and restoration notes are provided for his "Scott Imperial High-Fidelity Allwave 23", and "RCA Radiola Superheterodyne Second-Harmonic AR-812".

Large free online resource for antique and vintage radios, with over fifty thousand pages of scanned Riders schematics, service manuals, tube cross reference, articles, and forums.

Web sites about collecting, buying, selling, and trading vintage and antique radios.

Links to antique and old-time radio sites throughout the world, compiled by Radio Netherlands.