Used. Not tested. Sold as parts or repair. Has melted spot on plastic please look at pictures
Vintage 1960's Dixon Inc.Analog Engine Performance Analyzer - Made In USA
Dixon Inc Analog Engine Performance Bonneville Tach Dwell Points Not Tested
VINTAGE DIXON INC ANALOG ENGINE PERFORMANCE ANALYZER MADE IN USA
Tach Dwell Points Tester Dixon Inc RPM for 4 & Dwell Double 8 Cyl Reading VTG