• Country
• United States of America (USA)

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

• Year
• 1913 ??

• Category
• Radio module pre 1926 (not a part, not a key)

• Radiomuseum.org ID
• 141274

• • alternative name: William J. Murdock Co.

• Number of Tubes
• 2

• Valves / Tubes

• Main principle
• Detector with Vacuum Tube (Valve), no tuner

• Wave bands
• Wave Bands given in the notes.

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

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Audion Detector PN - Murdock, WM.J. Co.; Chelsea

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 9 x 5.25 x 7 inch / 229 x 133 x 178 mm

• Notes
• Audion Detector PN; as listed in the Murdock Apparatus Catalogue No.14, rheostat control, two bulbs with two filaments each, high voltage control with several variations.

• Mentioned in
• - - Manufacturers Literature (Murdock Apparatus Catalogue No.14)

• Author
• Model page created by a member from A. 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