• Country
• Germany

• Manufacturer / Brand
• UNBEKANNTE FIRMA D / A / CH - Siehe Anleitung unter der «Firma»

• Year
• 1930 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 218971

• • alternative name: Unknown, Custom Built

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Radio-Voltmeter - UNBEKANNTE FIRMA D / A / CH -

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

• Dimensions (WHD)
• 54 x 54 x 22 mm / 2.1 x 2.1 x 0.9 inch

• Notes
• Taschenvoltmeter, Bereiche 6 und 120 V. DRPa.

• Author
• Model page created by Sándor Selyem-Tóth. See "Data change" for further contributors.

• Other Models

• Here you find 467 models, 405 with images and 39 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from UNBEKANNTE FIRMA D / A / CH - Siehe Anleitung unter der «Firma»