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47LL ; Gamble-Skogmo, Inc.; (ID = 366230) Radio
47LL ; Gamble-Skogmo, Inc.; (ID = 366231) Radio
47LL ; Gamble-Skogmo, Inc.; (ID = 2471070) Radio 47LL ; Gamble-Skogmo, Inc.; (ID = 2425963) Radio
47LL ; Gamble-Skogmo, Inc.; (ID = 1015730) Radio
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47LL ; Gamble-Skogmo, Inc.; (ID = 2471070) Radio
Gamble-Skogmo, Inc.;: 47LL [Radio] ID = 2471070 1222x1890
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For model 47LL, Gamble-Skogmo, Inc.; Minneapolis, MN
Country:  United States of America (USA)
Manufacturer / Brand:  Gamble-Skogmo, Inc.; Minneapolis, MN
Year: 1937 ?? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 8: 6K7 6C5 6K7 6K7 6G5 6Q7 6F6 5Z4MG
Main principle Superhet with RF-stage; ZF/IF 456 kHz
Wave bands Broadcast, Short Wave(s) and Police.
Power type and voltage Alternating Current supply (AC) / 115 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 8 inch = 20.3 cm
Power out 3 W (unknown quality)
from Model: 47LL - Gamble-Skogmo, Inc.;
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 8 = 1937 and before

All listed radios etc. from Gamble-Skogmo, Inc.; Minneapolis, MN
Here you find 617 models, 284 with images and 552 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.