• Country
• Germany

• Manufacturer / Brand
• Ontra - Werkstätten; Berlin

• Year
• 1936

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 144378

• Wave bands
• - without

• from Radiomuseum.org
• Model: Revisor HF-Zwischensockel - Ontra - Werkstätten; Berlin

• Notes
• Röhrenzwischensockel zu Meßzwecken.

• Price in first year of sale
• 2.00 RM

• Source of data
• - - Manufacturers Literature

• Author
• Model page created by Uwe Ronneberger. See "Data change" for further contributors.

• Other Models

• Here you find 31 models, 28 with images and 9 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ontra - Werkstätten; Berlin