• Year
  • 1914
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 310670

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - Is a Headphone or Earphone
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Le Casquet - Hurm, Horace, Hurm et Duprat;
  • Shape
  • Miscellaneous shapes - described under notes.
  • Notes
  • Casque ultra-léger, s'adaptant à tous les petits anneaux de récepteurs de TSF. En fil acier nickelé.

    Prix en 1922 : Fr. 8,50

  • Net weight (2.2 lb = 1 kg)
  • 0.025 kg / 0 lb 0.9 oz (0.055 lb)
  • Price in first year of sale
  • 2.75 FRF
  • Mentioned in
  • -- Original prospect or advert (Catalogue Janvier 1922)
  • Literature/Schematics (1)
  • -- Original prospect or advert (La Science et la Vie, Septembre 1914)
  • Literature/Schematics (3)
  • Horace HURM Le Kaléidoscope de sa vie, Bruno RUIZ 2010, p. 59
  • Author
  • Model page created by Manfred Rathgeb. See "Data change" for further contributors.

 Collections | Museums | Literature

Collections

The model Le Casquet is part of the collections of the following members.

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