JOURNAL 



OF 



NATURAL PHILOSOPHY, 

 CHEMISTRY, 



AND 



T H E A R T S. 



VOL. XIV. 



3[nuGtaten itiitf) aBngtatJingiaf* 



BY WILLIAM NICHOLSON, 



LONDON: 



PRINTED BY W. STRATFORD, CROWN COURT, TEMPLE BAH J FOR 



THE AUTHOR, 



ND SOLD By HIM AT NO. 10^ SOHO-SQUARE5 

 AND BY 

 H. D, SYMONDS, PATERNOSTER-ROW, 



1806. 



