• Country
• Italy

• Manufacturer / Brand
• Geloso SA; Milano

• Year
• 1955 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 134459

• Number of Tubes
• 1

• Valves / Tubes
• 1876

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110-260 Volt

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: Prova Isolamento 850 - Geloso SA; Milano

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 130 x 220 x 120 mm / 5.1 x 8.7 x 4.7 inch

• Notes
• 500V insulation resistance meter. Aluminum panel, wooden cabinet.

• Source of data
• - - Data from my own collection

• Author
• Model page created by Emilio Ciardiello. See "Data change" for further contributors.

• Other Models

• Here you find 956 models, 803 with images and 723 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Geloso SA; Milano