• Year
  • 1923
  • Category
  • Detector-Radio (Crystal or diode, without tubes/transistors)
  • Radiomuseum.org ID
  • 49674

 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: Radiolean Jr. - National Radio Products Corp.;
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Dimensions (WHD)
  • 8 x 6 x 6.5 inch / 203 x 152 x 165 mm
  • Notes
  • One dial (primary tuning control knob)

    The National Radio Products Radiolean crystal set was apparently closely related to the Musio Radio Co. Musio Crystal Set. It is unknown what the relationship between the two was other then the same design. 

  • Price in first year of sale
  • 12.00 $
  • External source of data
  • Ernst Erb
  • Mentioned in
  • Radio News (January, 1923 Radio News magazine page 1364)

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