• Year
  • 1907
  • Category
  • Detector-Radio (Crystal or diode, without tubes/transistors)
  • Radiomuseum.org ID
  • 323597

 Technical Specifications

  • Main principle
  • Crystal or Solid State Detector
  • Wave bands
  • Wave Bands given in the notes.
  • Power type and voltage
  • Dry Batteries / 4.5 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Tuner Type B - United Wireless Telegraph Co.;
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes
  • United Wireless Telegraph Type B tuner, went into production in 1907. It was a copy of the 1904 Shoemaker receiver. It was designed for use on tugboats and small steamers operating on the 450 meter wavelength. 

    This receiver has one two-slide coil in a mahogany box. A carborundum detector with its potentiometer were mounted on top of the cabinet. The batteries were inside the cabinet.

    Tuning range was 200 to 600 meters.

  • Mentioned in
  • -- Collector info (Sammler) (Wireless Communication in the United States by Thorn Mayes)
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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