• Country
• United States of America (USA)

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

• Year
• 1938

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 95789

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

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

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 17 x 8.75 x 8 inch / 432 x 222 x 203 mm

• Notes
• See model 420 which is part of the Complete Service Lab.

• Price in first year of sale
• 58.00 $

• 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 18 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Jackson (The) Electrical Instrument CO., Dayton