Used condition - shows wear. Needle can be observed to move freely, but item is untested. See photographs.
Vintage The All American Dwell Tachometer Model 549 Rite Autotronics
Vintage Actron CP7605 Dwell Meter Tachometer Voltmeter Analyzer Dwell Tach Volts
Vintage SEARS PENSKE Dwell Tachometer 21013 In Box & Owner’s Manual
Vintage Marquette Automotive Dwell-Tach-RPM Meter Model 41-188
Vintage Sun Tach & Dwell Meter New In Sleeve
