• Country
• United States of America (USA)

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

• Year
• 1909

• Category
• Commercial Transmitter (TX not Transceiver)

• Radiomuseum.org ID
• 237267

• Main principle
• Transmitter

• Power type and voltage
• Alternating Current supply (AC) / 110 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: High Grade Transmitter 1/4 K. W. No. 6031 - Duck Co., J.J. and William B.;

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

• Notes

• J.J. Duck No. 6031 1/4 K. W. High Grade Transmitting Outfit. 

• Price in first year of sale
• 75.00 USD

• Mentioned in
• June 1st 1909 J. J. Duck Anything Electrical Catalog No. 3

• 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