• Country
• Germany

• Manufacturer / Brand
• Schlenker, Johann; Villingen-Schwenningen

• Year
• 1929/1930

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 129887

• • Brand: Ismet

• Number of Tubes
• 1

• Valves / Tubes
• R44 WE55_Rectron

• Wave bands
• - without

• Details
• Power: Charger for A-Batteries

• Power type and voltage
• Alternating Current supply (AC) / 110; 220 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case, TUBES VISIBLE

• from Radiomuseum.org
• Model: Ismet-Doppelweg-Röhrengleichr. 1078 - Schlenker, Johann; Villingen-

• Notes
• Ismet-Doppelweggleichrichter zum Laden von Akkumulatoren mit 1 bis 3 Zellen, Ladestrom 1,3 A.

• Price in first year of sale
• 15.00 RM

• Literature/Schematics (1)
• ill. Radiokatalog Max Loeven 1930/31

• Literature/Schematics (4)
• Süss Rádiókatalógus és Árjgyzék, Budapest 1929.

• Author
• Model page created by Michael Seiffert. See "Data change" for further contributors.

• Other Models

• Here you find 14 models, 11 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Schlenker, Johann; Villingen-Schwenningen