• Country
• United States of America (USA)

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

• Year
• 1938

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 195269

• • alternative name: Jewell

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: AC/DC Wattmeter 310 - Weston Electrical Instrument

• Dimensions (WHD)
• 265 x 210 x 155 mm / 10.4 x 8.3 x 6.1 inch

• Notes
• It is an AC and DC electrodynamometer wattmeter with multiple connection for current up to 30 A, or up to 60 A.Voltage inputs 150, 300, and 600 Volts. Scale 0-9 kW.

• Source of data
• - - Data from my own collection

• Author
• Model page created by Antonio Marra. See "Data change" for further contributors.

• Other Models

• Here you find 189 models, 164 with images and 101 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)