• Country
• United States of America (USA)

• Manufacturer / Brand
• Lundquist Tool and Manufacturing Co.; Worcester, MA

• Year
• 1928 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 299433

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110/120 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Tube Tester and Rejuvenator S-550 - Lundquist Tool and

• Dimensions (WHD)
• 10.5 x 5 x 7.5 inch / 267 x 127 x 191 mm

• Price in first year of sale
• 32.50 USD

• Mentioned in
• Radio Retailing (Radio & Television R.) (August 1928)

• Author
• Model page created by Les Dickson. 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 Lundquist Tool and Manufacturing Co.; Worcester, MA