• Year
  • 1927
  • Category
  • Service- or Lab Equipment
  • Radiomuseum.org ID
  • 278728

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 100-120 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Radio Tube Charger - Jefferson Electric Mfg. Co.;
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • Tube charger / rejuvenator for 'large' and 'small' tubes; rejuvenates tubes while in the set.
    45 second flash and 10 minute baking period.

    Finished in green mottled enamel. The model number is currently unknown.

  • Price in first year of sale
  • 7.35 $
  • Mentioned in
  • Wyeth Hardware & Mfg Co, Catalog 1927

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