b'July 2018 Special Digital SupplementDening SketchyTRUING PARAMETERSTRUING DIAMOND WHEELS: A COLLABORATION BETWEEN RUSH MACHINERY AND THE GRINDING DOCThis special CTE digital supplement is the culmination of research conducted by Rush Machineryand Jeffrey Badger, Ph.D., in an effort to establish scientific truing parameters. Their work is presented here in a three-part video series along with an article detailing the results of their experiments.'