• Country
• Italy

• Manufacturer / Brand
• Ruma - Fratelli Romagnoli; Milano

• Year
• 1920 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 186648

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Voltmetro 15/300 - Ruma - Fratelli Romagnoli;

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 58 x 75 x 21 mm / 2.3 x 3 x 0.8 inch

• Notes
• Voltmetro: 300 V fondo scala cc/ca,15 V fondo scala cc/ca

• Net weight (2.2 lb = 1 kg)
• 0.060 kg / 0 lb 2.1 oz (0.132 lb)

• Author
• Model page created by Biagio Laureti. See "Data change" for further contributors.

• Other Models

• Here you find 9 models, 7 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ruma - Fratelli Romagnoli; Milano