• Country
• Belgium

• Manufacturer / Brand
• Bell Telephone Mfg. Co. (Radiobell); Antwerp

• Year
• 1940 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 203398

• • Brand: Radiobell

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• -Loudspeaker incorporated, but system not known.

• Material
• Metal case

• from Radiomuseum.org
• Model: Oreille Mystérieuse - Bell Telephone Mfg. Co.

• Shape
• Miscellaneous shapes - described under notes.

• Notes
• "Ce n'est pas un recepteur, mais la conception de cet élément est basée sur la conductibilité osseuse."
  Small speaker that relies on acoustic transmission through bone. It is used e.g. under a pillow and allows listening to radio without disturbing other persons in the room.

• Price in first year of sale
• 150.00 BFR

• Source of data
• -- Original prospect or advert

• Other Models

• Here you find 281 models, 242 with images and 113 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Bell Telephone Mfg. Co. (Radiobell); Antwerp