• Country
• France

• Manufacturer / Brand
• Ducretet (-Thomson; avant: Fernand Ducretet et Ernest Roger etc.); Paris

• Year
• 1920 ??

• Category
• Miscellaneous (Other, Various) - see notes

• Radiomuseum.org ID
• 298073

• • alternative name: SED

• Power type and voltage
• Storage and/or dry batteries

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Relais spécial vibreur - Ducretet -Thomson; avant:

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 190 x 70 x 90 mm / 7.5 x 2.8 x 3.5 inch

• Net weight (2.2 lb = 1 kg)
• 0.5 kg / 1 lb 1.6 oz (1.101 lb)

• Author
• Model page created by Musée des Radios Museum. See "Data change" for further contributors.

• Other Models

• Here you find 657 models, 522 with images and 286 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ducretet (-Thomson; avant: Fernand Ducretet et Ernest Roger etc.); Paris