Megger Insulation Continuity Tester Mark III James G Biddle Co. vtg Electronics

Simpson 260 Volt Ohm Milliammeter vtg Analog Multimeter Electronics Tester

Crane Electronics TT30 Digital Torque Tester 30nm (265 in lb) - untested

VINTAGE SECO ELECTRONICS ANTENNA TESTER MODEL: 520A. used

Crane Electronics, Stationary Torque Transducer 135 Nm (100 ft-lbf)

Crane Electronics, Torque Tester, 30-D, 30 Nm

VINTAGE SECO ELECTRONICS ANTENNA TESTER MODEL: 520A. used

BLH Electronics Model 625 Precision Calibrator