VINTAGE WHEATSTONE BRIDGE METER #1352 RUBICON COMPANY - NOT TESTED

Leeds & Northrup 5305 Test Set Wheatstone Resistance Box Galvanometer UNTESTED

Vintage Rubicon Instruments Model 2745 Potentiometer

Antique Morris E. Leeds & Co. Wheatstone Bridge Instrument

Vintage Rubicon Instruments Box . Test - Philadelphia Test Equipment

Vintage Military Rubicon Company Wood Case Potentiometer 59LQ

Vintage Rubicon Instruments Potentiometer model 2781

Honeywell Rubicon ® Instruments - Power Resistor Bridge Test - Extremely RARE!!