PAPEES 



LITEEAEY, SCIENTIFIC, &c. 



BY THE LATE 



FLEEMING JENKIN, F.B.S., LL.D. 



PROFESSOR OF ENGINEERING IN THE UNIVERSITY OF EDINBURGH 



EDITED BY 



SIDNEY COLVIN, M.A. AND J. A. EWING, F.E.S. 



WITH A MEMOIR BY ROBERT LOUIS STEVENSON 



IN TWO VOLUMES 



VOL. 



THE 



[( UNIVERSITY 



LONDON 

 LONGMANS, GEEEN, AND CO. 



AND NEW YORK : 15 EAST 16' h STREET 

 1887 



All rights reserved 



