• Country
• United States of America (USA)

• Manufacturer / Brand
• Jackson (The) Electrical Instrument CO., Dayton

• Year
• 1937 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 171779

• Number of Tubes
• 1

• Valves / Tubes
• 01A

• 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 427A - Jackson The Electrical

• Shape
• Tablemodel, with any shape - general.

• Notes
• Tube tester.

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

• Other Models

• Here you find 64 models, 61 with images and 17 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Jackson (The) Electrical Instrument CO., Dayton