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778-A (778)

778-A ; Gamble-Skogmo, Inc.; (ID = 372499) Radio
778-A ; Gamble-Skogmo, Inc.; (ID = 372500) Radio
778-A ; Gamble-Skogmo, Inc.; (ID = 1160297) Radio
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778-A ; Gamble-Skogmo, Inc.; (ID = 1160297) Radio
Gamble-Skogmo, Inc.;: 778-A [Radio] ID = 1160297 583x368
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For model 778-A (778), Gamble-Skogmo, Inc.; Minneapolis, MN:
Image Courtesy of Mark V. Stein for use only.
Country:  United States of America (USA)
Manufacturer / Brand:  Gamble-Skogmo, Inc.; Minneapolis, MN
Year: 1936 ? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 7: 6K7 6C5 6J7 6K7 6Q7 6F6 5Y3
Main principle Superhet with RF-stage; ZF/IF 465 kHz
Wave bands Broadcast, Short Wave(s) and Police.
Power type and voltage Alternating Current supply (AC) / 119 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 8 inch = 20.3 cm
Power out
from Model: 778-A - Gamble-Skogmo, Inc.;
Material Wooden case
Shape Tablemodel, low profile (big size).
External source of data Ernst Erb
Source of data Machine Age to Jet Age II
Circuit diagram reference Rider's Perpetual, Volume 7 = 1936 and before

All listed radios etc. from Gamble-Skogmo, Inc.; Minneapolis, MN
Here you find 651 models, 289 with images and 594 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.