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GN-3 ; Gilfillan Bros.Inc.; (ID = 431033) Radio GN-3 ; Gilfillan Bros.Inc.; (ID = 477089) Radio
GN-3 ; Gilfillan Bros.Inc.; (ID = 1440419) Radio GN-3 ; Gilfillan Bros.Inc.; (ID = 1440421) Radio
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GN-3 ; Gilfillan Bros.Inc.; (ID = 431033) Radio
Gilfillan Bros.Inc.;: GN-3 [Radio] ID = 431033 488x436
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For model GN-3, Gilfillan Bros.Inc.; Los Angeles (CA):
From the collection of P. Kuipers, The Netherlands.
Country:  United States of America (USA)
Manufacturer / Brand:  Gilfillan Bros.Inc.; Los Angeles (CA)
Year: 1925 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: UX99 UX99 UX99 UX99
Main principle TRF without regeneration; 1 AF stage(s); Neutrodyne
Tuned circuits 2 AM circuit(s)
Power type and voltage Dry Batteries
Loudspeaker - For headphones or amp.
Power out
from Model: GN-3 - Gilfillan Bros.Inc.; Los
Material Wooden case, TUBES VISIBLE.
Shape Tablemodel, slant panel.
Notes The 4 tubes are visible on the GN-3. There are two main dials (primary tuning control knobs). Some collectors believe the set is from 1924. We are not sure yet if 1925 or 1924/25.
Price in first year of sale 65.00 $
External source of data Ernst Erb
Source of data Radio Collector`s Guide 1921-1932
Mentioned in Collector's Guide to Antique Radios 4. Edition
Literature/Schematics (2) Radio Manufacturers of the 1920's, Vol. 2 (page 44)

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.