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4tubes (98$)

Country:  United States of America (USA)
Manufacturer / Brand:  Halldorson Co.; Chicago, Illinois
Year: 1924 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4:
Main principle TRF without regeneration
Wave bands Broadcast only (MW).
Details
Power type and voltage Storage and/or dry batteries
Loudspeaker - This model requires external speaker(s).
Power out
from Radiomuseum.org Model: 4tubes - Halldorson Co.; Chicago,
Material Wooden case
Shape Tablemodel, Box - most often with Lid (NOT slant panel).
Notes

Two dials (primary tuning control knobs)

Price in first year of sale 98.00 $
External source of data Ernst Erb
Source of data Radio Collector`s Guide 1921-1932


All listed radios etc. from Halldorson Co.; Chicago, Illinois
Here you find 9 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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