• Country
• United States of America (USA)

• Manufacturer / Brand
• Weston Electrical Instrument Co.; Newark, N.J.; (Jewell Electrical Instrument Co.; Chicago, IL)

• Year
• 1940

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 221962

• • alternative name: Jewell

Click on the schematic thumbnail to request the schematic as a free document.

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / 4.5 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: 564 type 3C - Weston Electrical Instrument

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 3.5 x 3.5 x 5.5 inch / 89 x 89 x 140 mm

• Notes
• Made for US Army Signal Corps Test Set I-56-A.

• Net weight (2.2 lb = 1 kg)
• 1 lb 6 oz (1.375 lb) / 0.624 kg

• Price in first year of sale
• 30.00 USD

• Source of data
• - - Manufacturers Literature

• Literature/Schematics (1)
• Instruction Book for Test Set I-56-A, dated December 11, 1940 by Weston

• Author
• Model page created by William Noble. See "Data change" for further contributors.

• Other Models

• Here you find 186 models, 161 with images and 98 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Weston Electrical Instrument Co.; Newark, N.J.; (Jewell Electrical Instrument Co.; Chicago, IL)