• Year
  • 1924
  • Category
  • Detector-Radio (Crystal or diode, without tubes/transistors)
  • Radiomuseum.org ID
  • 50212

 Technical Specifications

  • Main principle
  • Crystal or Solid State Detector
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Du-Wa Crystal Set - Palmer Electric & MFG. CO.;
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • Two slider coils.

    There is also a similar wave trap (eliminator).

  • External source of data
  • Ernst Erb

 Collections | Museums | Literature

 Forum