I 



JOURNAL 



OF 



CHEMISTRY, 



AND 



THE ARTS, 



VOL. XIL 



3iliustrate5 foitf) (JEngm&ingg* 



BY WILLIAM NICHOLSON. 



LONDON: 



PRINTED BY W. STRATFORD, CROWN COURT, TEMPLE EAR ; FOR 



THE AUTHOR, 



AND SOLD BY HIM AT*NO, 10, SOHO-SdUAREJ 

 AND BY 

 H. D. SYMONDS, PATERNOSTER-ROW. 



1805 



