AN ATTEMPT 



TO ESTABLISH 



THE FIRST PRINCIPLES 



OF 



CHEMISTRY 



BY 



EXPERIMENT. 



BY THOMAS THOMSON, M. D., 



REGIUS PROFESSOR OF CHEMISTRY IN THE UNIVERSITY OF GLASGOW ; F. R. S. LONDON 

 AND EDINBURGH ; FELLOW OF THE LINN^EAN SOCIETY; OF THE GEOLOGICAL SOCIETY; 

 OF THE CAMBRIAN SOCIETY FOR THE ENCOURAGEMENT OF GEOLOGY, MINERALOGY, 

 AND NATURAL HISTORY ; OF THE IMPERIAL MEDICO-CHIRURGICAL AND PHARMACEUTI- 

 CAL SOCIETIES OF ST. PETERSBURGH ; OF THE ROYAL ACADEMY OF SCIENCES OF NAPLES; 

 OF THE MINERALOGICAL SOCIETY OF DRESDEN ; OF THE MINING SOCIETY OF FRANKFORT 

 ON THE MAINE; OF THE CAESARIAN NATURAL HISTORY SOCIETY OF MOSCOW; OF THE 

 LITERARY AND PHILOSOPHICAL, AND NATURAL HISTORY SOCIETIES OF NEW YORK ; &C. 



IN TWO VOLUMES. 



VOL. I. 



LONDON: 



PRINTED FOR BALDWIN, CRADOCK, AND JOY. 



1825. 



