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E4 flache Bauform

E4 ; Telefunken (ID = 1325401) Crystal
E4 ; Telefunken (ID = 1325400) Crystal
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E4 ; Telefunken (ID = 1325400) Crystal
Telefunken: E4 [Crystal] ID = 1325400 931x1239
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For model E4 flache Bauform, Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH:
Buch 'Wireless Telegraphy', Bernard Leggett, 1921
Country:  Germany
Manufacturer / Brand:  Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Year: 1906 ? Category: Detector-Radio (Crystal or diode, without tubes/transistors)
Main principle Crystal or Solid State Detector
Wave bands Broadcast (MW) and Long Wave.
Power type and voltage No Power needed
Loudspeaker - For headphones or amp.
Power out
from Model: E4 [flache Bauform] - Telefunken Deutschland TFK,
Material Metal case
Shape Tablemodel, with any shape - general.
Dimensions (WHD) 260 x 170 x 350 mm / 10.2 x 6.7 x 13.8 inch
Net weight (2.2 lb = 1 kg) 6.5 kg / 14 lb 5.1 oz (14.317 lb)
Mentioned in Wireless Telegr. "Leggett,Der heutige Stand der drahtlosen Telegr. "Graf Arco", Meyers Konv.-Lexikon
Literature/Schematics (1) 6. Auflage (1902-1908), Trenkle...

Model page created by Helmut Schrammel. See "Data change" for further contributors.

All listed radios etc. from Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Here you find 3458 models, 3029 with images and 2005 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.