• Country
• France

• Manufacturer / Brand
• Ribet et Desjardins (R-D); Paris, Montrouge - voir aussi Unic

• Year
• 1955 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 122206

• Number of Tubes
• 9

• Valves / Tubes
• 6CB6A 6CB6A 6CB6A 6AL5 6AL5 6AM6 5725 6BX4 DG7-32

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 115; 127; 220; 240 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Oscilloscope Cathodique 258A - Ribet et Desjardins R-D; Paris

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 127 x 212 x 235 mm / 5 x 8.3 x 9.3 inch

• Notes
• Oszillographenröhre 70 mm Diameter. Frequenzbereich etwa 20 bis 1 MHz. Model Portable.

• Net weight (2.2 lb = 1 kg)
• 6 kg / 13 lb 3.5 oz (13.216 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Jozef Brughmans †. See "Data change" for further contributors.

• Other Models

• Here you find 107 models, 86 with images and 27 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ribet et Desjardins (R-D); Paris, Montrouge - voir aussi Unic