SPR Es eae oe 
, Bibliography. 261 
nected one above the other in such a way that the first is emptying 
itself when the second is in distillation. 
juice an alteration often takes place even in twenty-four Se 
Bibliography.— Visite a ’ Exposition Universelle de Paris in 1855, 
r 
giving an account of each object exhibited, and a history of each in- 
vention. The names of the authors guarantee exactness and fidelity in 
all facis and details, iti 
Precis de Chemie Industrielle, par A. PayEen, 3d edit., in 1 vol. 8vo., 
of 1070 pages, with an atlas. Paris: chez Hachette.—Since the publi- 
cation of the first edition of this work, all the technological journals 
other countries. Two 
editions have successively been exhausted within a short time. F 
third was called for, and the Paris Exhibition has enabled the author 
0 give it greater completeness. It contains special details upon caout- 
choue, gutia percha, illuminating gas, manufacture of paper, chemical 
matches, starch, sugar, artificial soda, the fatty bodies, sulphuric acid, 
P ene, etc. etc. ~ fies vile 
” vEN, in ]2mo. Paris: 
“scape Alincniaicssy tl See ( le and for artisans who 
. 
