• Country
• Germany

• Manufacturer / Brand
• Rieder & Zorn GmbH, Berlin-Neukölln

• Year
• 1926 ??

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

• Radiomuseum.org ID
• 320507

• • Brand: Paul

• 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.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Detektorempfänger D137 - Rieder & Zorn GmbH, Berlin-

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 250 x 140 x 200 mm / 9.8 x 5.5 x 7.9 inch

• Net weight (2.2 lb = 1 kg)
• 1 kg / 2 lb 3.2 oz (2.203 lb)

• Author
• Model page created by Hartmut Fischer. See "Data change" for further contributors.

• Other Models

• Here you find 3 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Rieder & Zorn GmbH, Berlin-Neukölln