• Country
• United States of America (USA)

• Manufacturer / Brand
• Sel-Son Electronic Tube Corp.; Darby (PA)

• Year
• 1950 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 118308

• Number of Tubes
• 1

• Valves / Tubes
• unknown_Tube

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• - - No sound reproduction output.

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: CRT Substituter CS5 - Sel-Son Electronic Tube Corp.;

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes
• Suitcase with built-in round CRT with connector cables for substitute check of a CRT in a TV set.

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• 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 Sel-Son Electronic Tube Corp.; Darby (PA)