This manual covers Riders Perpetual Troubleshooters, a collection of vintage tube radios manufactured in 1946. John Francis Rider's comprehensive volume provides essential technical documentation for these classic radio models. The engineering and design of these radios reflect the era's advancements in audio technology, offering a unique listening experience for enthusiasts and collectors.

The purpose of this manual is to serve as a definitive guide for the maintenance and repair of these 1946 Riders Perpetual Troubleshooters radios. It contains hundreds of detailed radio schematics, tube layouts, dial string diagrams, and alignment procedures. This resource is invaluable for technicians, hobbyists, and anyone seeking to preserve the functionality and performance of these vintage electronic devices, ensuring they continue to operate as intended.