Country:  Germany
Manufacturer / Brand:  Chemisch-Technische Industrie-Ges. mbH (Anker); Offenbach a.M.
Year: 1927/1928 Category: Detector-Radio (Crystal or diode, without tubes/transistors)
Main principle Crystal or Solid State Detector; Crystal-detection 1 circuit (no tubes)
Tuned circuits 1 AM circuit(s)
Wave bands Broadcast only (MW).
Power type and voltage No Power needed
Loudspeaker - For headphones or amp.
Power out
from Model: Anker - Chemisch-Technische Industrie-
Material Wooden case
Notes ähnlich Modell 25; Variometer, Sensiblator-Detektor eingebaut, 2 Buchsen weniger.
Price in first year of sale 12.00 RM
External source of data E. Erb 3-907007-36-0
Source of data Kat. Radio Schnorr 1927/28 / Radiokatalog Band 2, Ernst Erb
Mentioned in Radio Schnorr 1929

All listed radios etc. from Chemisch-Technische Industrie-Ges. mbH (Anker); Offenbach a.M.
Here you find 11 models, 6 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.