• Country
• France

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

• Year
• 1900 ??

• Category
• Radio module pre 1926 (not a part, not a key)

• Radiomuseum.org ID
• 314984

• • alternative name: SED

• Power type and voltage
• Dry Batteries

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Bobine de Ruhmkorff 8177-29 - Ducretet -Thomson; avant:

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 720 x 430 x 340 mm / 28.3 x 16.9 x 13.4 inch

• Net weight (2.2 lb = 1 kg)
• 41.5 kg / 91 lb 6.6 oz (91.41 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