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Country:  United States of America (USA)
Manufacturer / Brand:  Batteryless Radio Corp.; New York City, New York
Year: 1925 Type: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5:
Principle TRF (Tuned-Radio-Frequency but use of reaction/regeneration unknown)
Power type and voltage Direct Current supply (DC)
Power out
from Model: 120$ - Batteryless Radio Corp.; New
Shape Tablemodel, with any shape - general.
Notes Three dials (primary tuning control knobs)
Price in first year of sale 120.00 $
External source of data Ernst Erb
Source of data Radio Collector`sGuide 1921-1932 (Collectors)

All listed radios etc. from Batteryless Radio Corp.; New York City, New York
Here you find 6 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.