JOURNAL 



OF 



NATURAL PHILOSOPHY, 

 CHEMISTRY, 



AND 



THE ARTS. 



VOL. XVI. 



Jllujoittaten tuitj CngtatJing:^. 



BY WILLIAM NICHOLSON. 



LONDON: 



PRINTED BY W. STRATFORD* CROWN COURT, TEMPLE BAR ; TOH 



THE AUTHOR, 



AND SOLD BY 



J. STRATFORD, No. 112, Holborn-Hili., 

 1807. 



