• Country
• United States of America (USA)

• Manufacturer / Brand
• Randolph Radio Corp.; Chicago IL

• Year
• 1924

• Category
• Kit (Parts plus instruction) or building instructions only

• Radiomuseum.org ID
• 52903

• Number of Tubes
• 2

• Valves / Tubes

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown); Reflex

• Power type and voltage
• Dry Batteries

• Material
• Various materials

• from Radiomuseum.org
• Model: Harkness - Randolph Radio Corp.; Chicago

• Notes
• Two dials (primary tuning control knobs)

• Price in first year of sale
• 17.00 $

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

• Author
• Model page created by Peter Rutishauser. See "Data change" for further contributors.

• Other Models

• Here you find 26 models, 18 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Randolph Radio Corp.; Chicago IL