Marked Made in U.S.A. Rear number shown as 717751. Needle moves freely and selector switches move smoothly.
Vintage Sun Dwell Tachometer Engine RPM Dwell Tester
Vintage actron Dwell Tachometer model 612 Original Box Manual UNTESTED PARTS/Fix
Vintage Penske Dwell Tachometer Sears Roebuck and Co 244.21013 Made In USA
Vintage Sears Dwell Tachometer 161-2177 Diagostic Tool With Manual In Box
Vintage Sun Dwell Tachometer CP-7601 Tune-up Automotive Engine Tester Car Tool
