• Country
• United States of America (USA)

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

• Year
• 1930

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 181644

• • alternative name: Jewell

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

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: 400 - Weston Electrical Instrument

• Shape
• Miscellaneous shapes - described under notes.

• Notes
• Thermo-Amperemeter für Wechselstrom beliebiger Frequenz für Aufbau oder Einbau. Grundplattendurchmesser 195 mm. Gehäusedurchmesser 175 mm. Skalenlänge 130 mm.

• Net weight (2.2 lb = 1 kg)
• 3.3 kg / 7 lb 4.3 oz (7.269 lb)

• Author
• Model page created by Museum Roggenhofer. See "Data change" for further contributors.

• Other Models

• Here you find 189 models, 165 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)