• Country
• Great Britain (UK)

• Manufacturer / Brand
• BTH (B.T.H.), British Thomson-Houston Co, Ltd.

• Year
• 1928 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 332869

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - Is a Headphone or Earphone

• Material
• Various materials

• from Radiomuseum.org
• Model: Headphones - BTH B.T.H., British Thomson-

• Shape
• Miscellaneous shapes - described under notes.

• Notes

• Radio receiver headset headphones.

  BTH-Kopfhörer

• Author
• Model page created by Wilhelm Siepe. See "Data change" for further contributors.

• Other Models

• Here you find 40 models, 35 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from BTH (B.T.H.), British Thomson-Houston Co, Ltd.