H. Wurtz on Economical Application of rasan ad 195 
“Art. XXII—Suggestions Regarding Economical Engage of 
Glycerine ; by Henry Wurtz, New York city. 
_ Read before the American ek a rH e Advancement of Science at 
Baltimor 
Ir must be apparent to every one who considers the pou , 
ities of the substance, glycerine, namely: its resemb ; 
oils in not being volatile at ordinary temperatures, while, unlike 
them, it is miscible with water, alcohol, etc.; its resistance to con- 
gelation, a oe perfectly solid even at the freezing point of 
merc’ Oe its agreeable taste when ] pure, and 
x harmless rote upon the system; its wide range of solvent 
_ powers ; together with the quantity in which it may be cheaply 
procured ; that it must ~ can fulfill important purposes, not 
in pharmac cy, but in the arts. Accordingly, we find 
- that technical Pr alaatings. have already been proposed for it. 
Barreswil’s method+ of preserving clay, which is to be used for 
moulding eal in a moist and plastic state, may be alluded 
| Sammon 
- Some us achiek are probably new, have occurred also to me. 
In the first place, its ei unction ral the property of compati- 
‘ine, instead of water or vinegar, the usual vehicles, it would 
Tetain its ras Sasoes indefinitely without ligne up. ‘So of many 
other condiments 
A more important application, however, of a similar kind, 
would be in the preparation of articles of conf 
of sugar, ser te fruits, chocolate, ete., which are hequently 
Inet with envelo din tin foil to prevent their desiccation. The 
ne Obj t be accomplished HORS effectually, = proba- 
i admi in the process of manufac- 
Kopp’s Jahresb, 1854, p. 448. 
yeaa ae American Journal of Science, (2) xvi, 100. 
