• Country
• United States of America (USA)

• Manufacturer / Brand
• Radio Products Manufacturing Co. (RPM); Chicago, IL

• Year
• 1925

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 52636

• Number of Tubes
• 6

• Valves / Tubes

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

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: 53 - Radio Products Manufacturing

• Shape
• Console with any shape - in general

• Notes

• Three dials (primary tuning control knobs).

  Listed as RPM-53 in "Vintage Radio".

• Price in first year of sale
• 230.00 $

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

• Mentioned in
• Vintage Radio 1887-1929, Greenwood's Classic Pictorial Album (2nd Edition, p.251)

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

• Other Models

• Here you find 23 models, 10 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Products Manufacturing Co. (RPM); Chicago, IL