Handheld dwell tachometer from ca. 1975. Sold as-is because it was tested.
Vintage Medallion RPM x 100 Dwell, Tachometer, and Points Tester
Ward Dwell Tach Points Tester Engine Meter Analyzer Tachometer FOR PARTS, UNTEST
Vintage Sun Dwell Tachometer Engine RPM Dwell Tester
Sears Dwell Tachometer Model 161.2177 & RAC Cam Dwell Tester Vintage OU1598
Engine Ignition Analyzer Vintage RAC Maxi-Tune Dwell Volt Points RPM 4-8 Vm04
