• Country
• United States of America (USA)

• Manufacturer / Brand
• BECO, Brown Electro-Measurement Corp.; Portland OR

• Year
• 1948 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 314395

• Wave bands
• - without

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

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Impedance Bridge 250 - BECO, Brown Electro-

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Author
• Model page created by David Erali. See "Data change" for further contributors.

• Other Models

• Here you find 2 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from BECO, Brown Electro-Measurement Corp.; Portland OR