• Country
• United States of America (USA)

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

• Year
• 1917

• Category
• Radio module pre 1926 (not a part, not a key)

• Radiomuseum.org ID
• 194063

• Main principle
• RF-Circuit or wave trap (separate, can also be an antenna with amp.); Reaction

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Short Wave Regenerative Set - Duck Co., J.J. and William B.;

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Dimensions (WHD)
• 11 x 6.25 x 6.25 inch / 279 x 159 x 159 mm

• Notes
• The William Duck Short Wave Regenerative set covered the 180-475 meters band.

• Price in first year of sale
• 25.00 $

• Literature/Schematics (1)
• QST May 1917 page43

• 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