• Country
• Germany

• Manufacturer / Brand
• Mende - Radio H. Mende & Co. GmbH, Dresden

• Year
• 1929/1930

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 3483

• • Brand: System Günther

• Number of Tubes
• 1

• Valves / Tubes
• RGN1503

• Details
• Power Supply (not only Batt.El.)

• Power type and voltage
• Alternating Current supply (AC) / 220 Volt

• Loudspeaker
• - For headphones or amp.

• from Radiomuseum.org
• Model: NH4 - Mende - Radio H. Mende & Co.

• Notes
• Netzanschlussgerät, Modell R1336/R1337 = Körting!

• Source of data
• Arlt's grosser Radiokatalog 1930 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Röhren in FS-Bestückungstabellen

• Other Models

• Here you find 314 models, 281 with images and 206 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Mende - Radio H. Mende & Co. GmbH, Dresden