• Country
• Netherlands

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

• Year
• 1929

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 128069

• Number of Tubes
• 1

• Valves / Tubes
• 451 452

• Wave bands
• - without

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

• Material
• Metal case, TUBES VISIBLE

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

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 115 x 100 x 115 mm / 4.5 x 3.9 x 4.5 inch

• Notes
• Ladegleichrichter für ein bis drei Zellen, Ladestrom etwa 1 Ampere. Battery charger for 1-3 cells. Load current about 1 Amp.

• Net weight (2.2 lb = 1 kg)
• 1.3 kg / 2 lb 13.8 oz (2.863 lb)

• Price in first year of sale
• 17.00 Hfl

• Author
• Model page created by a member from D. 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