• Year
  • 1920
  • Category
  • Amateur Equipment (Other, but not Key)
  • Radiomuseum.org ID
  • 230052

 Technical Specifications

  • Wave bands
  • - without
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Cesco Rotary Spark Gap R300 - California Electric Supply Co.
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • California Electric Supply Company CESCO Rotary Spark Gap Type R300

  • Price in first year of sale
  • 75.00 USD
  • Literature/Schematics (1)
  • December 1920 Pacific Radio News magazine advertisement page 68
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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