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.

Brian McAllister's restoration resources, in the form of high-resolution GIF images of service notes and schematics for many radios, audio amplifiers and preamplifiers, phonos, and tuners. He has a special section for several German radios (Grundig an...

Photos, schematics, alignment data, model specifications, and a directory of links for Zenith TransOceanic Long Distance radios.

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...

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.

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

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]

An article by James D. Keeline about the series of juvenile novels written by several ghostwriters under the pen name of "Allen Chapman" and others in the 1920s. Includes images of original covers.

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.

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.