Columbia 931 (Gernsback : Gram 1 P: 120) |
£1.80 (~ $2.20 or €2.10) |
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Country | USA |
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Manufacturer | Columbia Phonograph, American / Volta Graphophone Company; USA |
Alternative Name | American Graphophone || Columbia Recording |
Model | 931 - Columbia Phonograph, American |
Year: 1930 | Category: Sound/Video Recorder and/or Player |
Valves | 3: UX226 UX250 UX281 |
Technology | Audio-Amplification |
Wave Bands | - without |
Details | Record Player |
Power type | AC / 110 Volt |
Source | Book: gernsback Vol: 1 Page: 120 |
Source | Book: rider Vol: 1 Page: 7 |