• Year
  • 1900 ??
  • Category
  • Morse-Equipment & TTY, RTTY, TDD etc.
  • Radiomuseum.org ID
  • 314622

 Technical Specifications

  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Catalin (a brand name for a thermosetting polymer popular in the 1930s and 1940s - a phenol formaldehyde resin - like Bakelite, but a two-stage process with a lot of work afterwards).
  • from Radiomuseum.org
  • Model: Cohéreur de Branly [var 2] - Carpentier, Jules - Ateliers
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 170 x 150 x 180 mm / 6.7 x 5.9 x 7.1 inch
  • Net weight (2.2 lb = 1 kg)
  • 1.7 kg / 3 lb 11.9 oz (3.744 lb)

 Collections | Museums | Literature

Collections

The model Cohéreur de Branly is part of the collections of the following members.

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