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R550 new

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 2:
Main principle Crystal or Solid State Detector with Amplifer
Details
Power type and voltage Storage and/or dry batteries
Loudspeaker
Power out
from Radiomuseum.org Model: R550 [new] - Gilfillan Bros.Inc.; Los
Notes One dial (primary tuning control knob)
External source of data Ernst Erb
Source of data Radio Collector`s Guide 1921-1932


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.



  
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