Special Features:

Shockless hardened steel gear train; nonshock mechanism; white eggshell finish; interchangeable contact point; english; black figures; plus and minus readout

Properties:

A mechanism for amplifying and measuring the displacement of a movable contact point, thereby measuring a dimension or variation from a standard dimension. It consists essentially of a case with means for mounting the indicator, a spindle carrying the contact point, an amplifying mechanism, a pointer and a graduated dial. May include accessories and/or attachments. Excludes indicator, scale. See also gage, depth, dial indicating.