JOURNAL 



OF 



NATURAL PHILOSOPHY, 

 CHEMISTRY, 



AND 



THE ARTS. 



VOL. VI, 



BY WILLIAM NICHOLSON. 



LONDON: 



PniNTi-D BY sV. STRATFORD , CROWN-COURT TEiMPLE-BAR FOR. 



THE AUTHOR, No. 10, SOHO-SQUARE 



AND SOLD BV 



C AND J. ROBINSONS, PATERNOSTER-ROW. 

 IS03. 



