• Country
• Germany

• Manufacturer / Brand
• Ehrich & Graetz AG; Graetz Radio GmbH; Berlin

• Year
• 1927 ?

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 115513

• • Brand: Telwerk

• Number of Tubes
• 2

• Valves / Tubes

• Wave bands
• - without

• Details
• Power: B-Battery Eliminator

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: Universal-Netzanschlussgerät - Ehrich & Graetz AG; Graetz

• Shape
• Tablemodel, with any shape - general.

• Notes
• Benannt als "Telwerk"-Universal-Netzanschlussgerät. 3 Anoden- und 2 Gitterspannungen, Ladestrom für Heiz-Akku. Rectron-Röhren

• Mentioned in
• Radiokalender 1928

• Author
• Model page created by Wolfgang Eckardt. See "Data change" for further contributors.

• Other Models

• Here you find 6 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ehrich & Graetz AG; Graetz Radio GmbH; Berlin