Hearing Aid Microphone

Multitone; London

  • Year
  • 1937 ??
  • Category
  • Microphone or Pick-up element
  • Radiomuseum.org ID
  • 281458

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: Hearing Aid Microphone - Multitone; London
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.

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The model Hearing Aid is part of the collections of the following members.

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