• Year
  • 1924
  • Category
  • Detector-Radio (Crystal or diode, without tubes/transistors)
  • Radiomuseum.org ID
  • 43781

 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
  • Wooden case
  • from Radiomuseum.org
  • Model: Aerophone Crystal Receiver - Gundlach-Manhattan Optical Co.
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 8 x 3 x 5 inch / 203 x 76 x 127 mm
  • Notes
  • Breadboard. One dial (primary tuning control knob). "Gundlach Manhattan," "Aerophone," "GM," or all of the above embossed on the detector stand, the mahogany base and the tops of the slider knobs.

  • External source of data
  • Ernst Erb

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