• Year
  • 1926 ?
  • Category
  • Service- or Lab Equipment
  • Radiomuseum.org ID
  • 229546
    • alternative name: Jewell

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - - No sound reproduction output.
  • from Radiomuseum.org
  • Model: Jewell Tube Checker Pattern No. 107 - Weston Electrical Instrument
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • Jewell Tube Checker Pattern No. 107.

     

     

     

  • Price in first year of sale
  • 12.50 $
  • Literature/Schematics (1)
  • Radio Broadcast, Feb. 1926, p. 484

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