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DTW31 RE31

DTW31 RE31; DeTeWe (ID = 80085) Radio DTW31 RE31; DeTeWe (ID = 1598863) Radio
DTW31 RE31; DeTeWe (ID = 1598867) Radio DTW31 RE31; DeTeWe (ID = 1598868) Radio
DTW31 RE31; DeTeWe (ID = 1598870) Radio DTW31 RE31; DeTeWe (ID = 1598882) Radio
DTW31 RE31; DeTeWe (ID = 1598886) Radio  
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DTW31 RE31; DeTeWe (ID = 80085) Radio
DeTeWe: DTW31 RE31 [Radio] ID = 80085 573x421
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For model DTW31 RE31, DeTeWe
Country:  Germany
Manufacturer / Brand:  DeTeWe
alternative name
Deutsche Telephonwerke GmbH; || Deutsche Tel-w. & und Kabelind. || DTW
Year: 1926/1927 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 3: RE78 RE78 RE83
Main principle TRF with regeneration; 2 AF stage(s)
Tuned circuits 1 AM circuit(s)
Wave bands Wave Bands given in the notes.
Power type and voltage Storage and/or dry batteries / 90+4 Volt
Loudspeaker - For headphones or amp.
Power out
from Model: DTW31 RE31 - DeTeWe
Material Wooden case
Dimensions (WHD) 255 x 160 x 154 mm / 10 x 6.3 x 6.1 inch
Notes 250-3000 m; 2 Variometer.
Net weight (2.2 lb = 1 kg) 3.1 kg / 6 lb 13.3 oz (6.828 lb)
Price in first year of sale 137.00 RM
Collectors' prices  
Source of data Vox-Haus, Katalog 1926/1927 / Radiokatalog Band 1, Ernst Erb
Mentioned in Funkgeschichte der GFGF (9282)
Picture reference Eine Abbildung findet sich im Doppelband "Radio von gestern"

All listed radios etc. from DeTeWe
Here you find 107 models, 81 with images and 53 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.