Beitman Most Often Needed Radio Diagrams

Brand	Model	Volume	Page	Pub year
RCA	R-7	1 (1926-38)	159	1926-38
RCA	R-7A	1 (1926-38)	160	1926-38
RCA	R7	1 (1926-38)	159	1926-38
RCA	R7A	1 (1926-38)	160	1926-38

Rider Perpetual Troubleshooter's Manuals

Brand	Model	Volume	Page	Pub year
R.C.A. Victor Co. Inc. (RCA)	R7 AC	1	12	1930
R.C.A. Victor Co. Inc. (RCA)	R7 AC	2	7	1931
R.C.A. Victor Co. Inc. (RCA)	R7 DC	2	8	1931
R.C.A. Victor Co. Inc. (RCA)	R7 LW	4	15	1933
R.C.A. Victor Co. Inc. (RCA)	R70	4	39	1933
R.C.A. Victor Co. Inc. (RCA)	R71	3	25	1932
R.C.A. Victor Co. Inc. (RCA)	R71B	3	29	1932
R.C.A. Victor Co. Inc. (RCA)	R72	3	25	1932
R.C.A. Victor Co. Inc. (RCA)	R73	5	7	1934
R.C.A. Victor Co. Inc. (RCA)	R73A	4	41	1933

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