[ToC]

 

CONTROL CHART USED AT THE MUELLER BRASS CO. TO CONTROL THE DIMENSION INDICATED ON THE PART SHOWN AT LEFT ABOVE

James L. Riggs, Lawrence L. Bethel, Franklin S. Atwater, George H. E. Smith, and Harvey A. Stackman, Jr., Industrial Organization and Management, McGraw-Hill, 1979

Note the out-of-control points A and B on the chart, which required corrective action.