This vintage tube caddy guidebook from 1965 is a must-have for any collector or enthusiast of Rider brand electronics.

Made in the United States, this guidebook provides detailed information on tube substitutions and is a valuable addition to any collection of vintage electronics.

With a focus on functionality and practicality, this guidebook is perfect for those who want to keep their Rider electronics in top condition.

Whether you're a collector, enthusiast, or just looking for a unique piece of vintage electronics, this Rider tube caddy guidebook is sure to impress.