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20; Gilfillan Bros.Inc.; (ID = 2419250) Radio 20; Gilfillan Bros.Inc.; (ID = 2419251) Radio
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20; Gilfillan Bros.Inc.; (ID = 2419250) Radio
Gilfillan Bros.Inc.;: 20 [Radio] ID = 2419250 1400x1353
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For model 20, Gilfillan Bros.Inc.; Los Angeles (CA):
September 15, 1925 The Talking Machine World magazine page 87
Country:  United States of America (USA)
Manufacturer / Brand:  Gilfillan Bros.Inc.; Los Angeles (CA)
Year: 1926 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 6: UX201A UX201A UX201A UX201A UX201A UX112
Main principle TRF without regeneration; 2 AF stage(s); Neutrodyne
Tuned circuits 3 AM circuit(s)
Wave bands Broadcast only (MW).
Power type and voltage Storage and/or dry batteries
Loudspeaker -Loudspeaker incorporated, but system not known.
Power out
from Model: 20 - Gilfillan Bros.Inc.; Los
Material Wooden case
Shape Console, Lowboy (legs < 50 %).
Dimensions (WHD) 17 x 42 x 16.5 inch / 432 x 1067 x 419 mm

One dial (primary tuning control knob)

Price in first year of sale 175.00 $
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 (1) September 15, 1925 The Talking Machine World magazine page 87

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.