• Country
• Austria

• Manufacturer / Brand
• Kremenezky, Johann (Sator); Wien,(Röhrenhersteller)

• Year
• 1929 ?

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 77344

• Number of Tubes
• 1

• Valves / Tubes
• GL4

• Power type and voltage
• Alternating Current supply (AC) / 110, 125, 150, 220 Volt

• Material
• Metal case

• from Radiomuseum.org
• Model: Metallum NW3 - Kremenezky, Johann Sator; Wien

• Dimensions (WHD)
• 160 x 165 x 205 mm / 6.3 x 6.5 x 8.1 inch

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Author
• Model page created by Hannes Wurnitsch. See "Data change" for further contributors.

• Other Models

• Here you find 9 models, 9 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Kremenezky, Johann (Sator); Wien,(Röhrenhersteller)