DayRad 31 ;Oscillator (Rider : Radio Product 4 P: 3) |
£1.80 (~ $2.20 or €2.10) |
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Country | USA |
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Manufacturer | Radio Products Company, The (Dayrad); Dayton, OH |
Model | Model Oscillator 31 - Radio Products Company, The |
Year: 1933 | Category: Service- or Lab Equipment |
Valves | 1: 30 |
Wave Bands | - without |
Power type | Batteries / 3 & 22.5 Volt |
Source | Book: rider Vol: 4 Page: 3 |