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504 ; Gamble-Skogmo, Inc.; (ID = 366656) Radio
504 ; Gamble-Skogmo, Inc.; (ID = 1160420) Radio 504 ; Gamble-Skogmo, Inc.; (ID = 1160421) Radio
504 ; Gamble-Skogmo, Inc.; (ID = 1160422) Radio 504 ; Gamble-Skogmo, Inc.; (ID = 1160423) Radio
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504 ; Gamble-Skogmo, Inc.; (ID = 1160420) Radio
Gamble-Skogmo, Inc.;: 504 [Radio] ID = 1160420 742x438
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For model 504, Gamble-Skogmo, Inc.; Minneapolis, MN:
Ebay Seller: oldfashionedpeople Item Number: 200709774743 Coronado 504 Front View
Country:  United States of America (USA)
Manufacturer / Brand:  Gamble-Skogmo, Inc.; Minneapolis, MN
Year: 1939 ? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: 6D8G 6S7G 6T7G 1F5G 6N5
Main principle Superheterodyne (common); ZF/IF 465 kHz; 2 AF stage(s)
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast only (MW).
Power type and voltage Storage Battery for all (e.g. for car radios and amateur radios) / 6.3 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out
from Model: 504 - Gamble-Skogmo, Inc.;
Material Wooden case
Shape Tablemodel, low profile (big size).
Notes Sync.vibrator for+B. Farm radio. Frequency range: 535 to 1720kc.
External source of data Ernst Erb
Source of data Machine Age to Jet Age III
Circuit diagram reference Rider's Perpetual, Volume 10 = 1939 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.