• Country
• United States of America (USA)

• Manufacturer / Brand
• Telephone Maintenance Co.; Chicago, Illinois (Telmaco)

• Year
• 1922

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 137190

• • Brand: Telmaco

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Horn

• Material
• Various materials

• from Radiomuseum.org
• Model: Telmacophone - Telephone Maintenance Co.;

• Price in first year of sale
• 20.00 $

• Source of data
• - - Manufacturers Literature

• Mentioned in
• Radio News 10/1922, p.714

• Author
• Model page created by Otto Frosinn. See "Data change" for further contributors.

• Other Models

• Here you find 16 models, 13 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Telephone Maintenance Co.; Chicago, Illinois (Telmaco)