• Country
• Netherlands

• Manufacturer / Brand
• Transformer Works (Transforma); Amsterdam

• Year
• 1929

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 165281

• Number of Tubes
• 1

• Valves / Tubes
• 451 452

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 125; 220 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case, TUBES VISIBLE

• from Radiomuseum.org
• Model: Transforma Gelijkrichter - Transformer Works Transforma;

• Shape
• Tablemodel, with any shape - general.

• Notes
• Charges 1-6 cells. Load current 1,2 - 1,4 Amp.

• Price in first year of sale
• 20.00 Hfl

• Literature/Schematics (1)
• Newspaper advertisement

• Author
• Model page created by John Koster. See "Data change" for further contributors.

• Other Models

• Here you find 7 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Transformer Works (Transforma); Amsterdam