Cool piece, wires are frayed.. not sure if it works but it’s cool
Original AC Acilloscope Spark Plug Analyzer Delco Dealership GM 1950's
NOS Collectible AC Acilloscope Spark Plug Analyzer Introductory Package 5612400
4F- vintage AC hand held ACILLOSCOPE Spark Plug Analyzer plastic case as=is
Original AC Guide Light Bulb Cabinet
VINTAGE AC Delco Spark Plug Gap Feeler Gauge Made in USA 1920-1930's
Vintage Acilloscope with original window literature and manuals
