National SW-3 (Gernsback : Radio 1 P: 220A) |
£1.80 (~ $2.20 or €2.10) |
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Country | USA |
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Manufacturer | National Company; Cambridge & Malden (MA) |
Alternative Name | National Toy Co. |
Brand | Thrillbox |
Model | Thrill Box SW-3 - National Company; Cambridge & |
Year | Broadcast Receiver |
Valves | 3: 24 24 27 |
Technology | TRF with regeneration; Screengrid 1926-1935 |
Wave Bands | Broadcast and Short Wave (SW). |
Power Type | Alternating Current supply (AC) / 2,5 / 135-180 Volt |