Varley Test Bridge and Insulation Tester

Record Electrical Co., The; London, Broadheath/Manchester

  • Year
  • 1914 ??
  • Category
  • Service- or Lab Equipment
  • Radiomuseum.org ID
  • 246697

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • Solar- and/or muscle driven, also addl. power jack possible
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Varley Test Bridge and Insulation Tester - Record Electrical Co., The;
  • Dimensions (WHD)
  • 310 x 190 x 140 mm / 12.2 x 7.5 x 5.5 inch
  • Notes
  • Insulation bridge for Varley test:

    A method of using a Wheatstone bridge to determine the distance from the test point to a fault in a telephone or telegraph line or cable.

    Test power by a crank operated 1000 Volt generator.

  • Net weight (2.2 lb = 1 kg)
  • 11.3 kg / 24 lb 14.2 oz (24.89 lb)

 Collections | Museums | Literature

Collections

The model Varley Test Bridge and Insulation Tester is part of the collections of the following members.

 Forum