JOURNAL 



OF 



NATURAL PHILOSOPHY, 

 CHEMISTRY, 



AND 



THE ARTS. 



VOL. XXXI. 



3Hui5ttateti twitfj OEngtatJxngtf. 



BY WILLIAM NICHOLSON. 



LONDON: 



PRINTED BY W. STRATFORD, CROWN COURT, TEMPUB BAR; FOR 



W. NICHOLSON, i 



No. 13, BLOOMSBURY SQUARE 5 

 AND SOLD BY 



J. STRATFORD, No. H2, Holborn Him, 

 1813. 



