REFLECTIONS 



ON THE 



MOTIVE POWER OF HEAT; 



FROM THE ORIGINAL FRENCH OF 



N.-L.-S. CARNOT, 



Graduate of the Polytechnic School. 



ACCOMPANIED BY 



AN ACCOUNT OF CARNOT'S THEORY. 



BY SIR WILLIAM THOMSON (LORD KELVIN). 



EDITED BY 



R. H. THURSTON, M.A., LL.D., DR.ENG'G ; 



Director of Sibley College, Cornell University ; 



" Officier de VInstruction Publique de France," 11 



etc., etc., etc. 



SECOND. REVISED, EDITIO1 

 PIKST THOUSAND. 



JOHN WILEY & SONS, 



LONDON : CHAPMAN & HALL, LIMITED. 



