Vertical Spark Gap No. 390

Doron Bros. Electric Co.; Hamilton, Ohio

  • Year
  • 1919 ??
  • Category
  • Amateur Equipment (Other, but not Key)
  • Radiomuseum.org ID
  • 278496
    • Brand: Super-Equidyne

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Vertical Spark Gap No. 390 - Doron Bros. Electric Co.;
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • The gap is suitable for coils from 1/2-inch up to a 1/2 K.W. transformer.

  • Net weight (2.2 lb = 1 kg)
  • 4 lb (4 lb 0 oz) / 1.816 kg
  • Price in first year of sale
  • 2.90 $
  • Mentioned in
  • Circa 1919 Electrical Specialty catalog page 23
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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