Perine Duplex, early 1920s
1 tube crystal radio with original manual. Perine Radio Co. 1411 University Ave. S. E., Minneapolis, Minn. Works
in crystal, TRF and Regenerative radio modes.
As shown, it is configured for regenerative mode.
The Vintage Electronics Expo Saturday, January 20, 2024 9am-4pm
Southfield Pavilion, 26000 Evergreen Rd, Southfield, MI