JOURNAL 



OF 



NATURAL PHILOSOPHY, 

 CHEMISTRY, 



AN0 



THE ARTS. 



VOL. XXVIII. 



Jllusttatca tDit& CngratJings. 



BY WILLIAM NICHOLSON. 



LONDON'. 



PRINTED BT W. STRATFOKD, CROWN COimT, TEMPLE BAR ; FOR 



W. NICHOLSON, 



No, IS, BLOOMSBURY SQUARE 5 



AND SOLD BY 



J. STRATFORD, No. 1 12, Holborn HiLt. 



1811. 



