• Country
• France

• Manufacturer / Brand
• SER (S.E.R.), Brown-SER, Colley & Mangini; Paris

• Year
• 1923 ??

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 310790

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Variomètre Syntonic - SER S.E.R., Brown-SER, Colley

• Shape
• Chassis only or for «building in»

• Notes

• 150 à 1150 mètres

• Mentioned in
• -- Original prospect or advert (Cat. SER environ 1922/23 p. 2 et 3)

• Author
• Model page created by Manfred Rathgeb. See "Data change" for further contributors.

• Other Models

• Here you find 8 models, 8 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from SER (S.E.R.), Brown-SER, Colley & Mangini; Paris