• Country
• United States of America (USA)

• Manufacturer / Brand
• Robertson-Davis Co., Chicago

• Year
• 1927/1928

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

• Radiomuseum.org ID
• 207458

• Number of Tubes
• 11

• Valves / Tubes

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast and Short Wave (SW).

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

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Various materials

• from Radiomuseum.org
• Model: Melo-Heald Eleven Circuit - Robertson-Davis Co., Chicago

• Shape
• Chassis only or for «building in»

• Notes
• 1927 Robertson-Davis Melo-Heald Eleven Circuit Receiver Super-Het plans using the R-D Melocoupler RF transformers

• Literature/Schematics (1)
• 1927 Citizens Radio Callbook advertisement page 43

• Author
• Model page created by Alan Larsen. See "Data change" for further contributors.

• Other Models

• Here you find 8 models, 5 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Robertson-Davis Co., Chicago