Double Button Carbon Microphone H285

Gibbs & Co., Thomas B.; Chicago, IL

  • Year
  • 1932 ??
  • Category
  • Microphone or Pick-up element
  • Radiomuseum.org ID
  • 306567

 Technical Specifications

  • Wave bands
  • - without
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Double Button Carbon Microphone H285 - Gibbs & Co., Thomas B.;
  • Notes
  • Note:  The model number may be "H" and the number is a serial number.

  • Author
  • Model page created by Pavek Museum. See "Data change" for further contributors.

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The model Double Button Carbon Microphone is part of the collections of the following members.

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