• Country
• France

• Manufacturer / Brand
• Isodio; Clichy, Paris

• Year
• 1924–1926

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 300380

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Variomètre Diovario - Isodio; Clichy, Paris

• Shape
• Chassis only or for «building in»

• Mentioned in
• -- Original prospect or advert (Le Petit Parisien, 25.10.1924)

• Literature/Schematics (1)
• -- Original prospect or advert (L'Intransigeant 05.04.1926)

• Other Models

• Here you find 3 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Isodio; Clichy, Paris