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Ethophone Duplex

Ethophone Duplex ; Burndept Ltd. London (ID = 1592176) Radio Ethophone Duplex ; Burndept Ltd. London (ID = 1592175) Radio
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Ethophone Duplex ; Burndept Ltd. London (ID = 1592176) Radio
Burndept Ltd. London: Ethophone Duplex [Radio] ID = 1592176 933x712
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For model Ethophone Duplex, Burndept Ltd. London:
This image of the radio set is from an advertisement in the British magazine 'Wireless Weekly' October 29th 1924.
 
Country:  Great Britain (UK)
Manufacturer / Brand:  Burndept Ltd. London
Year: 1924 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 2:
Main principle TRF (Tuned-Radio-Frequency but use of regeneration unknown)
Wave bands Broadcast (MW) and Long Wave.
Details
Power type and voltage Storage and/or dry batteries
Loudspeaker - For headphones or amp.
Power out
from Radiomuseum.org Model: Ethophone Duplex - Burndept Ltd. London
Material Various materials
Shape Tablemodel, with any shape - general.
Dimensions (WHD) 9 x 3.5 x 8.5 inch / 229 x 89 x 216 mm
Notes

Plug-in coils for various wave ranges; black moulded ebonite, valves and coils visible.

Source of data Radio! Radio!
Literature/Schematics (1) Le Guide du Collectionneur TSF Biraud/Foster, Vol. I (page 120)

Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.



All listed radios etc. from Burndept Ltd. London
Here you find 89 models, 55 with images and 26 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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