• Country
• United States of America (USA)

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

• Year
• 1938

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 95778

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 105-115 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: 420 Universal Test Oscillator - Jackson The Electrical

• Notes
• Part of Model 600 Complete Service Lab.
  
  See model 420 for the portable version.

• Literature/Schematics (1)
• 1938 Radolek Catalog

• Author
• Model page created by Vitor Oliveira. 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