5-valve compact broadcast-band mantle radio.
Note: one of the photographed models has only 2 knobs, but the schematic shows a tone control, as does the chassis layout diagram. Both photographed models are model 515A examples.
Valves (5): 7J7, 39/44, 6SQ7, 7B5, 6X5
Intermediate Frequency: 455kc/s
Frequency Bands: 1
Chassis Notes(most schematics can be clicked to download a full size version)