Beckman Instruments Bridge ZM-30/U Resistance Bridge Military Communications

Taffet Electronics ZM-4B/U Earth Ground Resistance Meter Bridge

Vintage US Military Bridge ZM-30/U Impedance LCR Test Set (1950s/60s)

Military Grade Resistance Bridge ZM-4B/U Murray Varley Loop AirForce Quality

Unknown test equipment Untested

Thurlby cm200 Digital Capacitance Meter

NICE Vintage BECKMAN Industrial Circuitmate DM25XL Digital Multimeter DM25

Vintage Weston Model 785 Industrial Circuit Tester In Original Wood Box