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813A ; Gamble-Skogmo, Inc.; (ID = 372614) Radio
813A ; Gamble-Skogmo, Inc.; (ID = 744493) Radio 813A ; Gamble-Skogmo, Inc.; (ID = 744494) Radio
813A ; Gamble-Skogmo, Inc.; (ID = 744496) Radio 813A ; Gamble-Skogmo, Inc.; (ID = 744497) Radio
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813A ; Gamble-Skogmo, Inc.; (ID = 744493) Radio
Gamble-Skogmo, Inc.;: 813A [Radio] ID = 744493 800x489
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For model 813A, Gamble-Skogmo, Inc.; Minneapolis, MN:
The front of the battery operated Coronado 813 sold by Gambles department stores. This photo is courtesy of Reverend Ronald Snethen.
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: 1A7G 1N5G 1H5G 1A5G 1A5G
Main principle Superheterodyne (common); ZF/IF 456 kHz
Wave bands Broadcast only (MW).
Power type and voltage Storage and/or dry batteries
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
Power out
from Model: 813A - Gamble-Skogmo, Inc.;
Material Wooden case
Shape Tablemodel with Push Buttons.
Dimensions (WHD) 18.5 x 10 x 10 inch / 470 x 254 x 254 mm
External source of data Ernst Erb
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.