Parker MG-25-20 Magnetic Field Indicator, 20-0-20 Gauss

FW Bell Gauss/Teslameter 5070 w/Adapter - Power on Tested Only

Sypris TDM-Dual 8 DTR-16/TDM-D8 Data Tape Digital Recorder Wideband Multiplexer

MAGNAFLUX FIELD INDICATOR 10-0-10 GAUSS UNCALIBRATED, METAL (TL2978)

EXTECH EMF510 EMF/ELF Gauss Meter,30Hz to 300Hz 453A50

CETEC GAUSS RECORDING 4 TRACK HEAD ASSY. PN:54-1074600 (SAKI WN203202-2 HEADS)

TES-1393 Triaxial ELF EMF Tester Electro Magnetic Field Meter Gauss ZL8

CETEC GAUSS 54-1058320 RECORDING HEAD ASSY.