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3 Tube

Country:  United States of America (USA)
Manufacturer / Brand:  Electrical Research Laboratories Inc. (Erla); Chicago, Illinois
Year: 1925 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 3:
Main principle TRF without regeneration
Wave bands Broadcast only (MW).
Details
Power type and voltage Storage and/or dry batteries
Loudspeaker
Power out
from Radiomuseum.org Model: 3 Tube - Electrical Research
Material Wooden case
Shape Console, Highboy (legs > 50 %).
Notes

Console table (Wandtisch). Two dials (primary tuning control knobs)

External source of data Ernst Erb
Source of data Radio Collector`s Guide 1921-1932


All listed radios etc. from Electrical Research Laboratories Inc. (Erla); Chicago, Illinois
Here you find 131 models, 45 with images and 61 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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