• Country
• United States of America (USA)

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

• Year
• 1920

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 207636

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Oscillation Transformer Type 651 - Duck Co., J.J. and William B.;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 8 x 10 x 8 inch / 203 x 254 x 203 mm

• Notes
• William B. Duck Type 651 Oscillation Transformer. Top and bottom ends are oak and the conductors are sufficient for sets up to 1 K.W.

• Price in first year of sale
• 16.00 $

• Literature/Schematics (1)
• 1920 William Duck catalog No, 14 page 18

• 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