• Country
• United States of America (USA)

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

• Year
• 1914

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 204353

• • 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: Antenna Switch - Murdock, WM.J. Co.; Chelsea

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 12.5 x 5.5 x 5.5 inch / 318 x 140 x 140 mm

• Notes
• Murdock Antenna Switch for up to 1/2 KW transmitters.

• Net weight (2.2 lb = 1 kg)
• 3 lb (3 lb 0 oz) / 1.362 kg

• Price in first year of sale
• 3.00 $

• Literature/Schematics (1)
• 1914 JJ Duck catalog page 92

• 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