• Country
• United States of America (USA)

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

• Year
• 1915 ??

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 205835

• • alternative name: William J. Murdock Co.

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Transmitting Helix - Murdock, WM.J. Co.; Chelsea

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 7.5 x 11.5 x 7.5 inch / 191 x 292 x 191 mm

• Notes
• Early teens Murdock Transmitting Helix.

• Author
• Model page created by Alan Larsen. 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