• Country
• Germany

• Manufacturer / Brand
• Ruhstrat AG, Gebr. (ERG); Göttingen

• Year
• 1940 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 285276

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Spiegelgalvanometer HSG 1 - Ruhstrat AG, Gebr. ERG;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 155 x 250 x 155 mm / 6.1 x 9.8 x 6.1 inch

• Net weight (2.2 lb = 1 kg)
• 2.4 kg / 5 lb 4.6 oz (5.286 lb)

• Author
• Model page created by Heribert Jung. See "Data change" for further contributors.

• Other Models

• Here you find 14 models, 10 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ruhstrat AG, Gebr. (ERG); Göttingen