• Country
• United States of America (USA)

• Manufacturer / Brand
• Murdock, WM.J. Co.; Chelsea

• Year
• 1916–1922 ??

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 197615

• • alternative name: William J. Murdock Co.

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Variable Condenser 23 plates A368 - Murdock, WM.J. Co.; Chelsea

• Dimensions (WHD)
• 110 x 70 x 110 mm / 4.3 x 2.8 x 4.3 inch

• Notes
• 23 plates, 500pF;

• Net weight (2.2 lb = 1 kg)
• 0.5 kg / 1 lb 1.6 oz (1.101 lb)

• Mentioned in
• William B.Duck Catalog No.16

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 88 models, 70 with images and 6 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Murdock, WM.J. Co.; Chelsea