Anti-Glare Valve Cap

Thermic Manufacturing, Southport

  • Year
  • 1923
  • Category
  • Miscellaneous (Other, Various) - see notes
  • Radiomuseum.org ID
  • 159839

 Technical Specifications

  • Wave bands
  • - without
  • from Radiomuseum.org
  • Model: Anti-Glare Valve Cap - Thermic Manufacturing,
  • Notes
  • "Shelter Your eyes from the glare!" Thank god! Dull Emitters soon did away with that danger. (Not beneficial for Thermic's business...).
  • Literature/Schematics (1)
  • Popular Wireless Weekly, July 28th, 1923; advert

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