• Country
• France

• Manufacturer / Brand
• Déri, Éts.; Paris

• Year
• 1930 ?

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 263146

• Wave bands
• - without

• Details
• Power: B-Battery Eliminator

• Power type and voltage
• Line (AC, UC or DC not known)

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: 9540 - Déri, Éts.; Paris

• Shape
• Tablemodel, with any shape - general.

• Notes

• 4 Volts et 200 Volts.

• Literature/Schematics (1)
• Le Guide du Collectionneur TSF Biraud/Foster, Vol. II (page 455)

• Author
• Model page created by Ernst Erb. See "Data change" for further contributors.

• Other Models

• Here you find 9 models, 7 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Déri, Éts.; Paris