• Country
• United States of America (USA)

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

• Year
• 1937/1938

• Category
• Radio module post 1925 (not a part, not a key)

• Radiomuseum.org ID
• 61720

• • Brand: Ferrodyne

Click on the schematic thumbnail to request the schematic as a free document.

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• - For headphones or amp.

• from Radiomuseum.org
• Model: Magic Keyboard - Stewart Warner Corp.; Chicago

• Notes

• "Magic Keyboard" used in models "1841" to "1869".

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 9 = 1938 and before

• Mentioned in
• Radio Today (and Television) (Ad November 1937, page 7 (?))

• Other Models

• Here you find 2122 models, 397 with images and 1979 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Stewart Warner Corp.; Chicago (IL)