• Country
• Latvia (Latvia, Riga)

• Manufacturer / Brand
• Graumanis un deli; LV

• Year
• 1929/1930 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 146275

• Number of Tubes
• 1

• Valves / Tubes

• Main principle
• Crystal or Solid State Detector with Amplifer; 1 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• -Loudspeaker incorporated, but system not known.

• Material
• Wooden case

• from Radiomuseum.org
• Model: unknown [one tube] - Graumanis un deli; LV

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 100 x 300 x 150 mm / 3.9 x 11.8 x 5.9 inch

• Source of data
• -- Collector info (Sammler)

• 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