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GN-4 ; Gilfillan Bros.Inc.; (ID = 1400524) Radio GN-4 ; Gilfillan Bros.Inc.; (ID = 1179244) Radio
GN-4 ; Gilfillan Bros.Inc.; (ID = 1400527) Radio GN-4 ; Gilfillan Bros.Inc.; (ID = 1400528) Radio
GN-4 ; Gilfillan Bros.Inc.; (ID = 1400529) Radio GN-4 ; Gilfillan Bros.Inc.; (ID = 1440376) Radio
GN-4 ; Gilfillan Bros.Inc.; (ID = 1440422) Radio GN-4 ; Gilfillan Bros.Inc.; (ID = 1440423) Radio
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GN-4 ; Gilfillan Bros.Inc.; (ID = 1400524) Radio
Gilfillan Bros.Inc.;: GN-4 [Radio] ID = 1400524 640x480
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For model GN-4, Gilfillan Bros.Inc.; Los Angeles (CA)
Country:  United States of America (USA)
Manufacturer / Brand:  Gilfillan Bros.Inc.; Los Angeles (CA)
Year: 1925/1926 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: UX99 UX99 UX99 UX99
Main principle TRF without regeneration; Neutrodyne
Wave bands Broadcast only (MW).
Power type and voltage Dry Batteries
Loudspeaker - This model requires external speaker(s).
Power out
from Model: GN-4 - Gilfillan Bros.Inc.; Los
Material Wooden case, TUBES VISIBLE.
Shape Tablemodel, slant panel.
Notes Two dials (primary tuning control knobs)
Price in first year of sale 70.00 $
External source of data Ernst Erb
Source of data Radio Collector`s Guide 1921-1932
Mentioned in The Radio Collector's Directory and Price Guide 1921 - 1965
Literature/Schematics (2) Radio Manufacturers of the 1920's, Vol. 2 (page 47)

All listed radios etc. from Gilfillan Bros.Inc.; Los Angeles (CA)
Here you find 184 models, 111 with images and 128 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.