In another lifetime I was a tool & die maker for 25 years working on precision progressive dies. I used dial test indicators all day long for set-ups and especially grinding (generally ±.0001 tolerance) . I have at least 4 dial test indicators (the type where the tip pivots) of my own, and recently received 3 more that were my fathers. All together there are 3 Federals (.001 & .0001), 2 B&S best tests (.0001 & .00005), a Starrett last word (.001), some very old Lufkin ones without dials,...
Dial Test Indicator Sticking
Dial Test Indicator Sticking