• Country
• United States of America (USA)

• Manufacturer / Brand
• Frost, Herbert H.; Chicago (IL)

• Year
• 1922

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 319633

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Material
• Various materials

• from Radiomuseum.org
• Model: Frost-Radio Microphone 158 - Frost, Herbert H.; Chicago IL

• Dimensions (WHD)
• 8.5 x 0 x 0 inch / 216 x 0 x 0 mm

• Mentioned in
• - - Manufacturers Literature (1922 Herbert H. Frost catalog)

• Author
• Model page created by James Ligouri. See "Data change" for further contributors.

• Other Models

• Here you find 21 models, 18 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Frost, Herbert H.; Chicago (IL)