• Year
  • 1923
  • Category
  • Detector-Radio (Crystal or diode, without tubes/transistors)
  • Radiomuseum.org ID
  • 245439

 Technical Specifications

  • Main principle
  • Crystal or Solid State Detector
  • Tuned circuits
  • 1 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Gnat NMK CI [white dial] - National Wireless & Electric
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Dimensions (WHD)
  • 4.75 x 4 x 4.75 inch / 121 x 102 x 121 mm
  • Notes
  • BBC/PMG stamp, GPO No.441;
    (matching amp.GPO No.3336);

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