Loud Speaking Telephone Type D Form C2

BTH (B.T.H.), British Thomson-Houston Co, Ltd.

  • Year
  • 1923 ??
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 312588

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • Horn
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Loud Speaking Telephone Type D Form C2 - BTH B.T.H., British Thomson-
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • BTH Horn Speaker Type D Form C2.

  • Author
  • Model page created by Lindsay Shepherd. See "Data change" for further contributors.

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