VI. PREFACE. 



the Academy, he chose for his subject, a View of 

 the Progress and present State of that Science, 

 combining what he had himself investigated , 

 with what he had derived from the scattered 

 Works of other Chemical Writers. 



As very few of Prof essor BERZELIUS'S Publi- 

 cations have been translated into other languages, 

 and none of them has, as yet, appeared in a com- 

 plete state in English, the Translator of this lit- 

 tle Work flatters himself, that he is doing a not 

 unacceptable service to the British literary Pub- 

 lic, at the same time that he feels great pleasure 

 in having the honour to introduce his most par- 

 ticular friend to the nearer notice of those, who 

 may already be acquainted with his name. 



If the translation, as it is hoped, has the me- 

 rit of being correct in a scientific point of view, 

 it is entirely owing to the kind assistance of two 

 literary friends, both members of the Royal So- 

 ciety Dr. THOMAS YOUNG, and Mr. WILLIAM 

 ALLEN, who have had the goodness to read through 

 and revise the whole. Dr, YOUNG was well ac~ 



