| Country: United States of America (USA) | Manufacturer/Brand: Silver - Marshall Manufacturing Co.; (where?) |
| Year: 1931 ? | Type: Radio or Tuner |
| Valves / Tubes | 8: 32 32 30 32 32 30 31 31 |
|---|
| Principle | Super-Heterodyne (Super in general) |
|---|---|
| Wave bands | Broadcast only (MW). |
| Power type and voltage | Dry Batteries |
| from Radiomuseum.org | Model: SM-40 DC |
| Material | Wooden case |
| Shape | Console with any shape - in general (details not known). |
All listed radios etc. from Silver - Marshall Manufacturing Co.; (where?)
Here you find 175 models, 41 with images and 116 with schematics.