• Year
  • 1923 ?
  • Category
  • Detector-Radio (Crystal or diode, without tubes/transistors)
  • Radiomuseum.org ID
  • 76891

 Technical Specifications

  • Main principle
  • Crystal or Solid State Detector
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - For headphones or amp.
  • from Radiomuseum.org
  • Model: Imp - Atlas Brand H. Clarke & Co.
  • Dimensions (WHD)
  • 5 x 3.25 x 3.5 inch / 127 x 83 x 89 mm
  • Notes
  • Clarke's " Imp " Crystal Receiver.

    Stamped "B.B.C.", Reg No.4447.

    Fitted with an adjustable Crystal Detector, Crystal Holder, Wave-length Adjuster, and four Terminals for Phones, Aerial, and Earth. Finished in Polished Mahogany with all metal fittings nickel plated.
    It can be worked with 3 or 4 pairs of headphones.
    Suitable for the reception of the lower broadcasting wavelengths up to a range of 25 miles.

  • Literature/Schematics (1)
  • -- Original prospect or advert (Modern Wireless Nov 1924, Page 640.)

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