HOW TO MAKE EXTRA MONEY FIXING RADIOS published by the National Radio Institute, Washington, D.C. (1947). This 35-part course will teach you everything you need to know about repairing and servicing vacuum tube era receivers manufactured up to 1947. If you are just getting started in antique radio repair this is the absolute best course you can purchase!!! Covers everything from the tools you will need, equipment needed, how to read diagrams, how to test tubes, how to localize and isolate troubles, alignment, cabinet repairs, and much, much more!!! There is a wealth of information covered in a total of 840 fully bookmarked pages!!!

CONTENTS
No. 1 - How Radio Receivers Are Serviced
No. 2 - How To Use Radio Tools
No. 3 - Equipment Used by Servicemen
No. 4 - How To Remove and Overhaul the Chassis
No. 5 - How To Restring Dial Cords and Set Push Buttons
No. 6 - How To Test and Replace Resistors and Volume Controls
No. 7 - How To Test and Replace Condensers
No. 8 - How To Test Tubes
No. 9 - How To Test and Replace Coils, Chokes, and Transformers
No. 10 - How To Test and Repair Loudspeakers
No. 11 - How To Inspect A Chassis for Surface Defects
No. 12 - How To Put Up Antennas
No. 13 - How To Repair Marred Radio Cabinets
No. 14 - How To Start a Spare-Time Business
No. 15 - How Much To Charge for Your Work
No. 16 - How To Plan a Professional Workshop
No. 17 - How Professional Servicemen Repair Receivers
No. 18 - How Circuit Diagrams Are Used in Servicing
No. 19 - How To Find the Defective Part with an Ohmmeter
No. 20 - How To Find the Defective Part with a Voltmeter
No. 21 - How To Fix a Dead Receiver
No. 22 - How To Fix a Receiver That Hums
No. 23 - How To Fix a Receiver That Squeels and Motorboats
No. 24 - How To Fix a Noisy Receiver
No. 25 - How To Fix a Receiver That Distorts
No. 26 - How To Align Simple One-Band Receivers
No. 27 - How To Align All-Wave Superheterodynes
No. 28 - How To Fix a Weak Receiver
No. 29 - How To Fix an Intermittent Receiver
No. 30 - How To Service A.C. - D.C. Receivers
No. 31 - How To Service Three-Way Portable and Battery Receivers
No. 32 - How To Service Auto Receivers
No. 33 - Recognizing Complaints Not Caused by Receiver Defects
No. 34 - How To Service F.M. Receivers
No. 35 - How To Go into Full-Time Servicing

With the knowledge and experience you gain from this course it should be possible for you to pursue a rewarding and satisfying hobby in antique radio restoration.

All 35 of the original 24-page booklets were scanned at a resolution of 300 dpi and converted into this fully bookmarked digital book in Adobe Acrobat .pdf format.