• Country
• Germany

• Manufacturer / Brand
• Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München

• Year
• 1928 ?

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 5596

• Number of Tubes
• 1

• Valves / Tubes
• RGN1503

• Wave bands
• - without

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

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

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: 41Ein - Siemens & Halske, -Schuckert

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Röhren in FS-Bestückungstabellen

• Other Models

• Here you find 2513 models, 2110 with images and 1324 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München