• Country
• Switzerland

• Manufacturer / Brand
• Carma, Präzisionswerkstätte; Winterthur

• Year
• 1926–1928

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 11799

• Number of Tubes
• 1

• Valves / Tubes

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

• from Radiomuseum.org
• Model: Gleichrichter - Carma, Präzisionswerkstätte;

• Notes
• Akku-Ladegerät für 2 bis 6 Volt

• Price in first year of sale
• 70.00 SFr

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Radio-Zeitung, CH (36) (2641)

• Other Models

• Here you find 17 models, 6 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Carma, Präzisionswerkstätte; Winterthur