SPRAYBERRY RADIO SERVICING COURSE published by the Sprayberry Academy of Radio, Chicago, IL. This was a correspondence course back in the late 1940s through...

This is a fantastic home study course by R.E.T.S. covering TUBE RADIO ELECTRONICS (1947, 751 pages). This digital book in Adobe Acrobat .pdf format is...

FUNDAMENTAL PRINCIPLES OF VIBRATOR POWER SUPPLY DESIGN compiled and published by P.R. Mallory & Co. (1947, 129 pages). Everything you always wanted to know about...

TEKTRONIX entitled TROUBLESHOOTING YOUR OSCILLOSCOPE - GETTING DOWN TO BASICS (94 pages). TABLE OF CONTENTS Chapter 1 - TROUBLESHOOTING TECHNIQUES AND PROCEDURES Chapter 2 - TROUBLESHOOTING...

Transistor Superhet Receivers by Clive Sinclair (1961, 98 pages). This book focuses in the superheterodyne design in transistor based radio receivers and covers all aspects...

THE VTVM - HOW IT WORKS - HOW TO USE IT by Rhys Samuel (1957, 225 pages). This book is an absolute must for anyone...

The Radio Handbook by The Editors of Radio (1938, 5th Ed., 595 pages). This digital book in Adobe Acrobat .pdf format gives a thorough treatment of...

The Radio Antenna Handbook, Engineering Staff of Radio, 1936, 82 pages. The original book was scanned and converted into this digital file in Adobe Acrobat .pdf...

The Boys Book of Crystal Sets with Practical Circuits (1964), 36 pages. The original book was scanned and converted into this digital file in Adobe Acrobat .pdf...

Servicing Hi-Fi Preamps and Amplifiers (1959, 162 pages). This book contains complete information on the circuitry, specifications and replacement parts for 1957-58 Preamps and Amplifiers....