Dedication To my wife Joanne,my children and grandchildren,and to good friends,especially Sally and Peter. Richard G.Budynas To Professor T.J.Lawley,who first introduced me to Shigley's text,and who instigated in me a fascination for the details of machine design. J.Keith NisbettDedication To my wife Joanne, my children and grandchildren, and to good friends, especially Sally and Peter. Richard G. Budynas To Professor T. J. Lawley, who first introduced me to Shigley’s text, and who instigated in me a fascination for the details of machine design. J. Keith Nisbett bud29281_fm_i-xxii_1.qxd 12/24/09 3:38 PM Page v epg Disk1:Desktop Folder:TEMPWORK:Don't-Delete Jobs:MHDQ196/Budynas: