This lot of 20 electronic fundamental books from the RCA Institutes, published in the mid 1950s, is a must-have for any collector or enthusiast of vintage electronics. The books cover a wide range of topics including circuits, vacuum tubes, amplifiers, and oscilloscopes, and are in excellent shape for their age.

Each book is beautifully illustrated and contains detailed explanations of the principles and theories behind electronic devices. Whether you're a seasoned professional or just starting out in the world of electronics, these books are sure to provide valuable insights and knowledge. Add them to your collection today!