• Country
• France

• Manufacturer / Brand
• Amper-Lyon (A.M.P.E.R); Lyon

• Year
• 1927 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 318858

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit. / DC 4-6 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Boîte de Contrôle TSF - Amper-Lyon A.M.P.E.R; Lyon

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 150 x 50 x 90 mm / 5.9 x 2 x 3.5 inch

• Notes

• Voltmètre - milliampèremètre / ampèremètre - ohmmètre.

• Other Models

• Here you find 1 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Amper-Lyon (A.M.P.E.R); Lyon