THE CORRELATION OF 



PHYSICAL FORCES. 



SIXTH EDITION. 



WITH OTHER CONTRIBUTIONS TO SCIENCE. 



BY THE HON. 



SIR W. R. GROVE, M.A., F.R.S. 



ONE OF THE JUDGES OF THE COURT OF 

 COMMON PLEAS. 



LONDON : 

 LONGMANS, GREEN, AND CO. 



1874. 



J// rights reserved. 



