THE 



CORRELATION AND CONSERVATION 



OF 



FOECE8: 



0f 



PEOF. GEOYE, PKOF. HELMHOLTZ, DE. HAYEK, 

 DB. FAEADAY, PKOF. LIEBIG 

 DE. CAEPENTEE. 



INTBODUCTION AND BRIEF BIOGRAPHICAL NOTICES OF THE 

 CHIEF PROMOTERS OF THE NEW VIEWS. 



EDWARD L. YOUMANS, M. D. 



" The highest law in physical science which our faculties permit us to perceive the 

 Conservation of Force." DB. FABADAY. 



NEW YOEK : 

 D. APPLETOIST AND COMPANY, 



448 & 445 BROADWAY. 



1865. 



