Atwater Kent 21 (Rider : Colonial 1 P: 3) |
£1.80 (~ $2.20 or €2.10) |
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Country | USA |
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Manufacturer | Atwater Kent Mfg. Co.; Philadelphia, USA |
Model | Model 7780 Model 21 Dry Cell Set - Atwater Kent Mfg. Co.; |
Year: 1925 | Category: Broadcast Receiver |
Valves | 5: UV199 UV199 UV199 UV199 UV199 |
Technology | TRF without regeneration |
Tuned Circuits | 3 AM circuit(s) |
Wave Bands | Broadcast only (MW). |
Power type | Dry Batteries |
Source | MyFile: atwater kent-10_10b_12_19_20_20 compact_21_24-1923.radio testing instructions with circuits.pdf |
Source | MyFile: atwater kent-19_20_21-1925.rider.radio.pdf |
Source | Book: rider Vol: 1 Page: 3 |