PRINCIPLES 



OF 



CHEMISTRY; 



EMBRACING THK MOST 



RECENT DISCOVERIES IN THE SCIENCE, 



AND 



THE OUTLINES OF ITS APPLICATION TO AGRICULTURE 

 AND THE ARTS. 



X 



ILLUSTRATED BY NUMEROUS EXPERIMENTS, 



NWWLY ADAPTED TO THE SIMPLEST APPARATUS. 



BY JOHN A. PORTER, M.A., M.D. 



PROFESSOR OF AGRICULTURAL AND ORGANIC CHEMISTRY IN YALE COLLEGE. 



NEW YORK: 



A. S. BARNES & CO., 51 & 53 JOHN-STREET, 

 I860. 



* 



