• Country
• United States of America (USA)

• Manufacturer / Brand
• Steinite Radio Co., Warwick Mfg.Co.; Atchinson

• Year
• 1930

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 59946

• • Brand: Marvel

• Number of Tubes
• 6

• Valves / Tubes

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown); Screengrid 1926-1935

• Power type and voltage
• Alternating Current supply (AC)

• from Radiomuseum.org
• Model: 412 - Steinite Radio Co., Warwick

• Notes
• One dial (primary tuning control knob)

• External source of data
• Ernst Erb

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

• Circuit diagram reference
• Rider's Perpetual, Volume 2 = 1932 (Models 1931/1932)

• Other Models

• Here you find 90 models, 26 with images and 45 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Steinite Radio Co., Warwick Mfg.Co.; Atchinson