Tinker & Rasor M/1 Holiday Detector Low Voltage Wet Sponge

Tinker & Rasor Low Voltage Holiday Tester Model M/1

Tinker & Rasor AP-S2 Holiday Detector 6k-15kV Untested Main Unit

Tinker & Rasor Model PRM 40 Kilovolt Peak Pulse Meter

T&R Tinker & Rason Model AP-W holiday detector .8kv-35kv high voltage

TINKER & RASOR LOW VOLTAGE HOLIDAY DETECTOR M1/AC CALIBRATED NDT INSPECTION TOOL

Tinker & Rasor Mod. APW High Voltage Holiday Detector w/Accessories AP/W

Humbolt Model H3640 Slump Testers