Beitman Most Often Needed Radio Diagrams

Brand	Model	Volume	Page	Pub year
International	66X	1 (1926-38)	103	1926-38

Rider Perpetual Troubleshooter's Manuals

Brand	Model	Volume	Page	Pub year
International Radio Corp.	66-X	7	1	1936

The next Vintage Electronics Expo will be on Saturday, January 25, 2025
at the Oakland Expo Center, 2212 Mall Dr E, Waterford, MI