• Country
• Great Britain (UK)

• Manufacturer / Brand
• Radio Instruments Ltd. & Aeronautical & General Instruments, Ltd.; London

• Year
• 9999

• Category
• Detector-Radio (Crystal or diode, without tubes/transistors)

• Radiomuseum.org ID
• 77094

• Main principle
• Crystal or Solid State Detector

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• from Radiomuseum.org
• Model: doublet 76727 - Radio Instruments Ltd. &

• Mentioned in
• Tickling the Crystal; Sanders

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 49 models, 43 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Instruments Ltd. & Aeronautical & General Instruments, Ltd.; London