A nice old specialty tool.
Vintage AUTOLITE PCV TESTER
Vintage AC Manifold Gauge Imperial Eastman System Analyzer
Vintage AC Positive Crankcase Ventilation Tester in Metal Case AC CT-1
4F- vintage AC hand held ACILLOSCOPE Spark Plug Analyzer plastic case as=is
Vintage AC Arnold Mfg. Co. Cam-Dwell-Indicator With Instructions
Vintage AC FM-19 Fuel/Radiator Cap Pressure Tester 1950's
