• Country
• France

• Manufacturer / Brand
• Bonvoisin, L., Mizéry & Bonvoisin; Paris

• Year
• 1925 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 241829

• Wave bands
• - without

• Power type and voltage
• Solar- and/or muscle driven, also addl. power jack possible

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Testeur d'isolement Apériodique - Bonvoisin, L., Mizéry &

• Shape
• Tablemodel, with any shape - general.

• Notes

• Testeur d'isolement portable, dans sa boîte.

• Other Models

• Here you find 34 models, 22 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Bonvoisin, L., Mizéry & Bonvoisin; Paris