• Year
  • 1932 ?
  • Category
  • Service- or Lab Equipment
  • Radiomuseum.org ID
  • 172869

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC)
  • from Radiomuseum.org
  • Model: Tube Checker 40 - Supreme Instruments Corp.;
  • Circuit diagram reference
  • Rider's Perpetual, Volume 3 = 1933 and before

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