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Detektor-Empfänger (Wand)

Country:  Switzerland
Manufacturer / Brand:  Droz-Georget, Georges; Rolle
Year: 1922 ? Category: Detector-Radio (Crystal or diode, without tubes/transistors)
Wave bands Broadcast (MW) and Long Wave.
Power type and voltage No Power needed
Loudspeaker - For headphones or amp.
Power out
from Model: Detektor-Empfänger - Droz-Georget, Georges; Rolle
Material Wooden case
Notes für Wandmontage, gross.
External source of data E. Erb 3-907007-36-0
Source of data Radiokatalog Band 2, Ernst Erb

All listed radios etc. from Droz-Georget, Georges; Rolle
Here you find 2 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.