Unknown Very Early Rotary Variable Capacitor

Unknown - CUSTOM BUILT: USA

  • Year
  • 1912 ??
  • Category
  • Detector-Radio (Crystal or diode, without tubes/transistors)
  • Radiomuseum.org ID
  • 364313

 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
  • Various materials
  • from Radiomuseum.org
  • Model: Unknown [Very Early Rotary Variable Capacitor] - Unknown - CUSTOM BUILT: USA
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • Most likely amateur built breadboard crystal receiver with loose coupler and one of the earliest rotary variable capacitors I've ever seen.  

  • Author
  • Model page created by David Smith. See "Data change" for further contributors.

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