• Year
  • 1927
  • Category
  • Miscellaneous (Other, Various) - see notes
  • Radiomuseum.org ID
  • 215741
    • alternative name: Jewell

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Jewell Voltmeter Pattern No. 135-B - Weston Electrical Instrument
  • Notes
  • Jewell Voltmeter Pattern No. 135-B. 2-inch diameter.
  • Mentioned in
  • Radio Broadcast, Sep. 1927, p. 324

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