ON ALCOHOLIC TINCTURES, 
103 
the substance for some time before the water is introduced 
into the refrigerator, as by this means all parts of the sub- 
stance become swelled and moistened to a certain extent. 
Among the advantages to be gained by this instrument, 
according to the inventor, is the invariable use of distilled 
water, which in limestone regions is of some importance. 
The great density of the product is also an advantage in 
those cases requiring evaporation. Upon the whole, with 
certain modifications in the condensing arrangement, I be- 
lieve this instrument may become useful in many phar- 
maceutical processes, particularly in the preparation of ex- 
tracts. 
ART. XXIII.— AN ESSAY ON ALCOHOLIC TINCTURES. 
BY M. JAQUES PERSONNE. 
( Continued from page 21 . ) 
4. Nux Vomica. 
grs. 
1 pt.or 1 5 gr. by 60 gr. or 4 pts. ale. at 80° total ext. of tinct. 2°69 
75 
60 
75 
90 
75 
90 
id. 
56 
id. 
id. 
45 
id. 
110 
1-28 
1-38 
1-32 
1-44 
1-3S 
Quantity of the Alkaloid. 
In 200 grs. of tine, made with — 
1 pt. nux vomica and 5 pts. ale. at S0°precip. obtained 1-126 
" « 56 " 1*382 
" " 45 " 1-042 
Alcohol at 56°, being that which dissolves the greatest 
quantity of strychnine, should be preferred, and also the 
proportion of 5 pts., being that which furnishes the greatest 
