Le Simpliphone (Hearing Aid, Appareil Auditif)

Clarvox-Porgès; Paris

  • Year
  • 1931
  • Category
  • Medical Technology
  • Radiomuseum.org ID
  • 287160

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Hearing aid
  • Power type and voltage
  • Dry Batteries
  • Loudspeaker
  • - only for Earphone!
  • from Radiomuseum.org
  • Model: Le Simpliphone - Clarvox-Porgès; Paris
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Mentioned in
  • La Nature, 1931, 2e, p.141
  • Literature/Schematics (1)
  • -- Original prospect or advert (Le Matin, 13.03.1931)

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