• Country
• United States of America (USA)

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

• Year
• 1911–1917

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 199019

• Main principle
• Crystal or Solid State Detector

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Improved Type Ferron Detector vertical type - Duck Co., J.J. and William B.;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 5.3 x 3.5 x 3 inch / 135 x 89 x 76 mm

• Notes
• The J.J. Duck Ferron Detector was manufactured for Duck by the Clapp-Eastham Company. The Ferron Detector was quite popular in the teens. Sensitivity was claimed to be slightly better than any other crystal detector and the "Ferron" crystal was not injuriously affected by the strongest signals.

• Net weight (2.2 lb = 1 kg)
• 2 lb 3 oz (2.188 lb) / 0.993 kg

• Price in first year of sale
• 5.00 $

• Literature/Schematics (1)
• 1912 JJ Duck Catalog No. 6 page 32-33

• Author
• Model page created by Alan Larsen. 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