• Country
• United States of America (USA)

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

• Year
• 1921

• Category
• Radio module post 1925 (not a part, not a key)

• Radiomuseum.org ID
• 84369

• Number of Tubes
• 1

• Valves / Tubes
• UV201 or C301

• Main principle
• Audio-Amplification

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - For headphones or amp.

• Material
• Various materials

• from Radiomuseum.org
• Model: A213 Unit Panel one-step Amplifier - Duck Co., J.J. and William B.;

• Shape
• Miscellaneous shapes - described under notes.

• Dimensions (WHD)
• 5 x 6.5 x 0 inch / 127 x 165 x 0 mm

• Notes
• Unit Panel. Goes together with A211 and A212.

• Price in first year of sale
• 15.00 $

• 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