• Country
• Russian Federation

• Manufacturer / Brand
• Wireles telegraphy and telephonic society

• Year
• 1914

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

• Radiomuseum.org ID
• 104260

• Main principle
• Crystal or Solid State Detector

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Crystal Radio - Wireles telegraphy and

• Shape
• Tablemodel, with any shape - general.

• Notes
• First known crystal Radio set from Russia.

• Net weight (2.2 lb = 1 kg)
• 32 kg / 70 lb 7.8 oz (70.485 lb)

• Mentioned in
• G.I.Golovin " The inventor of radio S.A.Popov" Kaunas 1948 (Lithuania)

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

• Other Models

• Here you find 3 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Wireles telegraphy and telephonic society