Sams Photofact

Brand	Model	Set	Notes	Pub year	Schematic Inventory
DEWALD	A502	4-22		1946	Check Stock

Beitman Most Often Needed Radio Diagrams

Brand	Model	Volume	Page	Pub year
DeWald Radio	A502	6 (1946)	32	1946

Rider Perpetual Troubleshooter's Manuals

Brand	Model	Volume	Page	Pub year
DeWald Radio Mfg. Co.	A-502	15	1	1946

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