Tone Tester Type No. SE 84

Lowenstein Radio Company; Brooklyn, N.Y.

  • Year
  • 1917
  • Category
  • Detector-Radio (Crystal or diode, without tubes/transistors)
  • Radiomuseum.org ID
  • 292240

 Technical Specifications

  • Main principle
  • Crystal or Solid State Detector
  • Wave bands
  • Wave Bands given in the notes.
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Tone Tester Type No. SE 84 - Lowenstein Radio Company;
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 5 x 8 x 5 inch / 127 x 203 x 127 mm
  • Notes
  • Type SE 84 Tone Tester crystal set.  This was made for the Navy by Lowenstein Radio in 1917 for spark gap transmitter operators to monitor their transmissions.  

    Tap switch was tuned to 300, 600 or 900 meters to allow the operators to hear and verify the tone produced by the quenched or rotary spark gap.

  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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