• Country
• United States of America (USA)

• Manufacturer / Brand
• Supreme Instruments Corp.; Greenwood (MS)

• Year
• 1940 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 201009

• Number of Tubes
• 1

• Valves / Tubes
• unknown_Tube

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Tube Tester 400 - Supreme Instruments Corp.;

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Author
• Model page created by Gottfried Silberhorn. See "Data change" for further contributors.

• Other Models

• Here you find 85 models, 66 with images and 51 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Supreme Instruments Corp.; Greenwood (MS)