• Country
• United States of America (USA)

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

• Year
• 1909

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 257542

• • alternative name: William J. Murdock Co.

• Main principle
• Tuner pre 1926 (not a wave trap)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Tuning Coil No. 240 - Murdock, WM.J. Co.; Chelsea

• Shape
• Chassis only or for «building in»

• Notes

• Two sliders.

  Part of Crystal Receiving Set No. 2.

• Price in first year of sale
• 3.00 USD

• Mentioned in
• -- Original prospect or advert (Popular Electricity, August 1909)

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 89 models, 72 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