• Country
• United States of America (USA)

• Manufacturer / Brand
• Simpson Electric Co.; Chicago, IL - Lac du Flambeau, WI

• Year
• 1939

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 124143

• Number of Tubes
• 1

• Valves / Tubes

• Wave bands
• - without

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

• Loudspeaker
• - - No sound reproduction output.

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Tube Tester 333 - Simpson Electric Co.; Chicago,

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Net weight (2.2 lb = 1 kg)
• 7 lb 0 oz (7 lb) / 3.178 kg

• Price in first year of sale
• 26.50 $

• Literature/Schematics (1)
• Radio Retailing (Radio & Television R.) (ad January 1939 page 75, February 1939 page 69)

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

• Other Models

• Here you find 148 models, 131 with images and 60 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Simpson Electric Co.; Chicago, IL - Lac du Flambeau, WI