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GN-1 ; Gilfillan Bros.Inc.; (ID = 277651) Radio GN-1 ; Gilfillan Bros.Inc.; (ID = 277652) Radio
GN-1 ; Gilfillan Bros.Inc.; (ID = 277655) Radio
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GN-1 ; Gilfillan Bros.Inc.; (ID = 277651) Radio
Gilfillan Bros.Inc.;: GN-1 [Radio] ID = 277651 786x700
Select picture or schematic to display from thumbnails on the right and click for download.
For model GN-1, Gilfillan Bros.Inc.; Los Angeles (CA):
Front view of an unrestored Gilfillan model GN1. Photograph from David Woodill.
Country:  United States of America (USA)
Manufacturer / Brand:  Gilfillan Bros.Inc.; Los Angeles (CA)
Year: 1924 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5:
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 - This model requires external speaker(s).
Power out
from Model: GN-1 - Gilfillan Bros.Inc.; Los
Material Wooden case
Shape Tablemodel, Box - most often with Lid (NOT slant panel).

The Gilfillan model GN-1 has three dials (primary tuning control knobs) plus two knobs for "power control" and a meter behind another door (right). The other small door on the left is for log charts and owner manual.

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

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.