See pictures.
Sears Craftsman Model 161.214230 Solid State Electronic Engine Analyzer. UNTEST
Heathkit CO-1015 Oscilloscope, Solid State, Ignition Analyzer, Car Engine
Sears Solid State Electronic Engine Analyzer Model 161.214230 W Cables/Manual
Vintage ‘70s Kar Check Solid State Engine Analyzer Model 2095 Automotive Tune-Up
Vintage Sears Engine Analyzer USA Model 28-2163 Solid State Box & Manual NICE!
Vintage ‘60s Kar Check Solid State Engine Analyzer Model 287 Automotive Tune-Up
