Rider Perpetual Troubleshooter's Manuals

Brand	Model	Volume	Page	Pub year
International Radio Corp.	21	8	1	1937
International Radio Corp.	210 CONV.	9	8	1938

The Michigan Vintage Electronics Club has a "garage sale" event during Plymouth, MI's Old Village Yard and Trunk Sale, April 26 8am-3pm. Located on Mill St near the RR tracks.
The next Vintage Electronics Expo will be on Saturday, October 4, 2025, 9 am to 3 pm in partnership with The Kalamazoo Hamfest.
at the Kalamazoo County Expo Center, 2900 Lake St., Kalamazoo, MI