• Country
• Latvia (Latvia, Riga)

• Manufacturer / Brand
• Graumanis un deli; LV

• Year
• 1928–1930 ?

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

• Radiomuseum.org ID
• 86578

• Main principle
• Crystal or Solid State Detector; Crystal-detection 1 circuit (no tubes)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Crystal radio - Graumanis un deli; LV

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 170 x 110 x 120 mm / 6.7 x 4.3 x 4.7 inch

• 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 Graumanis un deli; LV