• Country
• United States of America (USA)

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

• Year
• 1922/1923

• Category
• Radio module pre 1926 (not a part, not a key)

• Radiomuseum.org ID
• 240117

• Number of Tubes
• 1

• Valves / Tubes
• UV200

• Main principle
• Detector with Vacuum Tube (Valve), no tuner

• Wave bands
• - without

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - For headphones or amp.

• Material
• Various materials

• from Radiomuseum.org
• Model: Lab Type Detector - Sleeper Radio Corp.; New York

• Shape
• Tablemodel, with any shape - general.

• Notes

• Sleeper Radio Corporation Laboratory Type Unit Detector 

• Price in first year of sale
• 5.95 USD

• Mentioned in
• circa 1923 Pittsburgh Radio Supply House catalog

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

• 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)