• Country
• United States of America (USA)

• Manufacturer / Brand
• Fischer & Co., Inc., H. G.; Chicago, IL

• Year
• 1924

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 243164

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Variometer No. 53 - Fischer & Co., Inc., H. G.;

• Price in first year of sale
• 3.50 USD

• Literature/Schematics (2)
• Radio News (February 1924, Advertisement on page 1182)

• Author
• Model page created by Alan Larsen. See "Data change" for further contributors.

• Other Models

• Here you find 4 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Fischer & Co., Inc., H. G.; Chicago, IL