ASI Vac-U-Tronic Tester Model 21 Untested for parts/repair

Robin KMP 3050DL Insulation Community Tester UNTESTED NO LEADS

Untested — Simpson 260 Adapter Temperature Tester Model 652 - As-Is

Simpson Teledata Line Loop OHM Meter / Tester Mod.8455 - Untested

ASI Utility Tester Untested

ASI Pyrometer Tester USA Advance Trades Schools Inc. Chicago *Tested* Works VTG

LAFAYETTE TRANSISTOR ANALYZER 223 asi DYNAMIC CHECKER FORECASTER Radio Microphon

SIMPSON 8455 Line Loop Tester for Telecom Usage. Untested Sold As-Is. Vintage!