• Country
• United States of America (USA)

• Manufacturer / Brand
• Betts & Betts Corp.; New York City, New York

• Year
• 1922

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 238474

• • Brand: Transcontinental

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: B & B Variometer Type W-201 - Betts & Betts Corp.; New York

• Price in first year of sale
• 6.00 USD

• Mentioned in
• June 1922 Electrical Record magazine advertisement page 151

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

• Other Models

• Here you find 4 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Betts & Betts Corp.; New York City, New York