• Country
• France

• Manufacturer / Brand
• Derveaux, Laboratoires (LRD); Paris

• Year
• 1938 ??

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 111393

• Wave bands
• - without

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios)

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Micro-Convertisseur - Derveaux, Laboratoires LRD;

• Shape
• Chassis only or for «building in»

• Notes
• Rotary transformer, availiable for 6, 12, 24 or 32 V input, 1,8 A consumption at 6 Volts.

• Mentioned in
• -- Original prospect or advert

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 7 models, 6 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Derveaux, Laboratoires (LRD); Paris