ANALYSIS of the FOUR-BAR LINKAGE Its Application to the Synthesis of Mechanisms John A.Hrones George L.Nelson PROFESSOR OF ASSISTANT PROFESSOR OF MECHANICAL ENGINEERING MECHANICAL ENGINEERING THE MASSACHUSETTS INSTITUTE OF TECHNOLOGY MANUS Published jointly by THE TECHNOLOGY PRESS of THE MASSACHUSETTS INSTITUTE of TECHNOLOGY and JOHN WILEY SONS,INC.,NEW YORK CHAPMAN HALL,LIMITED,LONDON, .. ANALYSIS of the FOUR- BAR LINI(AGE Its Application to the Synthesis .. of Mechanisms John A. Hrones George L. Nelson PROFESSOR OF MECHANICAL ENGINEERING ASSISTANT PROFESSOR OF MECHANICAL ENGINEERING TilE MASSACHUSETTS INSTITUTE OF TECHNOLOGY Published Jointly by THE TEC~NOLOGY PRESS of THE MASSACHUSETTS INSTITUTE of . TECHNOLOGY and JOHN WILEY & SONS~ INC., NEW YORK CHAPMAN & HALL, LIMITED, LONDON .. ---..:. ~. ;.. '-, -