• Country
• United States of America (USA)

• Manufacturer / Brand
• Stewart Warner Corp.; Chicago (IL)

• Year
• 1931

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 61183

• • Brand: Ferrodyne

• Number of Tubes
• 7

• Valves / Tubes
• 36 37 37 36 37 33 33

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Direct Current supply (DC)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 507C - Stewart Warner Corp.; Chicago

• Shape
• Console, Lowboy (legs < 50 %).

• External source of data
• Ernst Erb

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

• Mentioned in
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Other Models

• Here you find 2115 models, 396 with images and 1972 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Stewart Warner Corp.; Chicago (IL)