• Country
• Germany

• Manufacturer / Brand
• Graf, Dr. Hugo; Groß-Steinheim am Main

• Year
• 1935 ??

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 127478

• • Brand: Rotor, Rotorit

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Rotorit Crystall - Graf, Dr. Hugo; Groß-Steinheim

• Notes
• Detektor-Ersatzkristall in Pillenform 8mm Durchmesser

• Author
• Model page created by Hannes Wurnitsch. See "Data change" for further contributors.

• Other Models

• Here you find 6 models, 6 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Graf, Dr. Hugo; Groß-Steinheim am Main