• Country
• France

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

• Year
• 1900 ??

• Category
• Teaching aids-material

• Radiomuseum.org ID
• 350990

• • alternative name: SED

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Cohéreur de démonstration - Ducretet -Thomson; avant:

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 135 x 155 x 170 mm / 5.3 x 6.1 x 6.7 inch

• 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