• Country
• Switzerland

• Manufacturer / Brand
• Zellweger AG; Uster

• Year
• 1923/1924

• Category
• Detector-Radio (Crystal or diode, without tubes/transistors)

• Radiomuseum.org ID
• 13803

• Main principle
• Crystal or Solid State Detector; Crystal-detection 1 circuit (no tubes)

• Tuned circuits
• 1 AM circuit(s)

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Detektor-Empfänger - Zellweger AG; Uster

• Dimensions (WHD)
• 155 x 140 x 115 mm / 6.1 x 5.5 x 4.5 inch

• Notes
• Knopf für Variometer seitlich

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Other Models

• Here you find 80 models, 59 with images and 25 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zellweger AG; Uster