• Country
• France

• Manufacturer / Brand
• La Radio-Industrie (RI); Paris

• Year
• 1920 ?

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 262991

• Wave bands
• - without

• Loudspeaker
• - Is a Headphone or Earphone

• Material
• Various materials

• from Radiomuseum.org
• Model: Earphones - La Radio-Industrie RI; Paris

• Mentioned in
• Le Guide du Collectionneur TSF Biraud/Foster, Vol. II (page 441)

• Author
• Model page created by Ernst Erb. See "Data change" for further contributors.

• Other Models

• Here you find 42 models, 19 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from La Radio-Industrie (RI); Paris