| Bosch 637 ;Car Radio (Gernsback : CarRadio 7 P: 1108-1109) |
| £1.80 (~ $2.20 or €2.10) |
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| Country | USA |
|---|---|
| Manufacturer | United American Bosch (Magneto Corporation); Springfield (MA) |
| Alternative Name | American Bosch Magneto |
| Brand | Essex |
| Model | Model 637 - United American BosChassis Magneto |
| Year: 1936 | Category: Car Radio, perhaps also + sound player/recorder |
| Valves | 6: 77 77 78 75 42 84 |
| Technology | Superhet with RF-stage; IF 175 kHz |
| Wave Bands | Broadcast only (MW). |
| Power type | Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt |
| Source | MyFile: bosch_american bosch-636_637-1935.rider.radio.pdf |
| Source | Book: rider Vol: 7 Page: 29 |
| Source | Book: gernsback Vol: 7 Page: 1108&1109 |