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Tefadyn

Country:  Switzerland
Manufacturer / Brand:  Bell Standard Telephon & Radio AG (STR), Telephone Manufacturing Co,; Zürich, Bern etc.
Year: 1930/1931 Category: Broadcast Receiver - or past WW2 Tuner
Main principle TRF without regeneration
Details
Loudspeaker - For headphones or amp.
Power out
from Radiomuseum.org Model: Tefadyn - Bell Standard Telephon & Radio
Notes

Inserat in «Le Radio» [3331420]

External source of data E. Erb 3-907007-36-0
Source of data Radiokatalog Band 2, Ernst Erb


All listed radios etc. from Bell Standard Telephon & Radio AG (STR), Telephone Manufacturing Co,; Zürich, Bern etc.
Here you find 11 models, 5 with images and 6 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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