• Country
• United States of America (USA)

• Manufacturer / Brand
• Operadio Corp.; St. Charles (IL)

• Year
• 1928/1929

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 228296

• • alternative name: Operadio Mfg,

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Horn

• from Radiomuseum.org
• Model: Westminster - Operadio Corp.; St. Charles IL

• Shape
• Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.

• Price in first year of sale
• 35.00 USD

• Source of data
• Radio Retailing (Radio & Television R.)

• Author
• Model page created by Heiko zur Mühlen. See "Data change" for further contributors.

• Other Models

• Here you find 66 models, 43 with images and 32 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Operadio Corp.; St. Charles (IL)