• Country
• United States of America (USA)

• Manufacturer / Brand
• Sleeper Radio Corp.; New York (NY)

• Year
• 1924

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 58163

• from Radiomuseum.org
• Model: Monotrol [new] - Sleeper Radio Corp.; New York

• Notes
• CIR.=Grimes Inv. Dupx

• External source of data
• Ernst Erb

• Source of data
• Radio Collector`s Guide 1921-1932

• Other Models

• Here you find 35 models, 21 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sleeper Radio Corp.; New York (NY)