• Country
• Soviet Union

• Manufacturer / Brand
• Leningrad Kozitsky Works

• Year
• 1917

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

• Radiomuseum.org ID
• 139902

• • alternative name: Radiotelegraf Works

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

• Main principle
• Crystal or Solid State Detector

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: PM - Leningrad Kozitsky Works

• Shape
• Boatanchor (heavy military or commercial set >20 kg).

• Notes
• This Crystal Radio was built-in legendary Russia October Revoliution cruiser "Avrora" in 1917.
  Coverage 450 - 3100 meter band. Two crystal detectors in schemat.

• Source of data
• -- Schematic

• Mentioned in
• Magazine "Radio" 11/1986 (SU)

• Author
• Model page created by Zenonas Langaitis. See "Data change" for further contributors.

• Other Models

• Here you find 74 models, 65 with images and 47 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Leningrad Kozitsky Works