RELATING TO REULEAUX METHODS, Delivered at South Kensington Museum, BY Prof. ALEX. B. W. KENNEDY, C.E. WITH AN INTRODUCTION BY Prof. R. H. THURSTON, A. M, C. E. D. VAN NOSTRAND, PUBLISHER, 1881. INTRODUCTION. The following reprint of Professor Kennedy's lectures illustrating Reuleaux's new methods of treatment of the study of the kinematics of machinery, and the science of pure mechanism, as it has been termed by Professor Willis, is published at the request of the writer, for the purpose of placing in the hands of every mechanical engineer an exhibit of the methods devised by one of the most distinguished engineers and men of science in Europe for the study of the motions of connected parts of machinery. It is hoped that these short and well-considered lectures may assist the student in the effort to comprehend those new methods, and to make use of them in professional work, and especially that they may have a wider range of influence, and may lead to a |