Has not been tested.
Vintage Heathkit Automotive Tune-up Engine Meter/Analyzer Model ID-29 Fun Kit!
Vintage Heathkit Automotive Tune-up Meter Model ID-29 UNTESTED
Vintage Heathkit Automotive Tune-Up Meter Model ID-29
Vintage Heathkit Automotive Tune-Up Meter Model ID-29 Black Case
vintage Heathkit Automotive Tune-Up Meter CM-1073
Vintage Sears Penske Automotive Tuneup Analyzer model 161.21042 - Untested
