A 



JOURNAL, 



OF 



NATURAL PHILOSOPHY, 

 CHEMISTRY, 



AND 



THE ARTS. 



VOL. XXXIII. 



Sllttsttateti UJtt!) Cngrabinp, 



BY WILLIAM NICHOLSON. 



PRINTED BY G. SIDNEY, NORTHUMBERLAND-STREET^ STRAND, 



For W. Nicfwlsm, No. 13, Bhomsbiiry Square; 



AND SOLD BY 



SHERWOOD, NEELEY, and JONES, Paternoster Row 5 

 and all Bookseller*. 



1812. 



