• Country
• United States of America (USA)

• Manufacturer / Brand
• Duck Co., J.J. and William B.; Toledo, OH

• Year
• 1921

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

• Radiomuseum.org ID
• 84400

• Main principle
• Crystal or Solid State Detector

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Various materials

• from Radiomuseum.org
• Model: CV Crystal Receiver [panel type] - Duck Co., J.J. and William B.;

• Shape
• Miscellaneous shapes - described under notes.

• Notes
•  

• Price in first year of sale
• 21.00 $

• External source of data
• William B.Duck Catalog No.16 (1921)

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 57 models, 34 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Duck Co., J.J. and William B.; Toledo, OH