OIL 
a alas practice, and the oil does not bring fo high a 
Py When the feed is very dry, rae water is thrown in among 
d to facilitate the procefs. 
puts them into their places. d, 
and the ftamper, V, difengaged ns wea a few 
blows the oil begins to run, and this continues till the wedge 
m it two or 
three times: it is then judged that it can be driven no farther. 
amper, V, is now haule and the other let loofe. 
his at one or two blows drives down “ wedge W, and re- 
lieves the preflure, after which the wedge and the bags may 
be taken out to put in a frefh charge. The contents of the 
s 
again broken down, and the parenchyma of the feed re- 
duced to a fine meal. Thus free egrefs is allowed to the oil 
from every veficle in which it is containe ut it is now 
rendered much more clammy by the forcible mixture of the 
mucilage, and even of = finer parts °. . e meal. en 
as the he produce of oil from the fecond operation 
is very uncertain; as it d upon a number of circum- 
ftances. It will fometimes exceed the quantity of the fir 
time, er times it will not be half as e 
as thick. The linfeed cakes are fold at a high price for cat- 
tle, but the rape-feed cae are oem to a coarfe powder, 
and in that ftate fold for ma 
The mill fhewn in our erie is on a {mall fcale, but many 
mills have from 10 to 15 preffes inufe. A prefs will generally 
prefs feven cwt. of feed per day the firft time, but only two, 
ortwo and a half cwt. for the fecond time, becaufe it re- 
quires as much more time for the laft operation. 
gallons of oil, 
quarter. The pala a roduc 
this average was pita, was feo ln from. 20 quarters, 
or 209, gallons per quarter. ‘The leaft produce was 19+ 
gallons per quarte 
-Stone, cos oheatias in Natural Hiftory, is a ftone of a 
whitifh colour, with a faint mixture of a bluecifh-grey ; an nd 
it is fometimes ornamented with black fpots and dendrite. 
upon b 
burnt, acquires Sale ae colour. s ftone has not 
et been found in England ; but in the ea‘tern parts, and in 
v 
Ors 
our artificers for fetting a fine edge on their tools, and is 
only ufed with oil, which by degrees changes its colour to 
a deep brown. They call it the Turkey-ftone. De Cofta’s 
Hift. of Foffils, p. x 153+ 
tra ria ng; 
aes 
hing their 
count in a oil; and the water drank freely, has operated as 
a cathartic 
OILS, in Agriculture, a ai term ufed to fignify the 
beards, or prickles. of barle 
oth as 
i requent ufe with. 
meats; and in Egypt is fold dearer than oil of olives. 
Parkinfon. 
Oiny Waters. See WatTeERs. 
OINGHT, or YoineT, in Geography, a town of France,, 
t ofthe Rhone and Loire ; 7 miles W.S. W.. 
in 
of te sala 
a 
nent in Pharmacy and Surgery, &c. See Un-- 
of Pontoife. 
. by the department of the 
at of the Agine, on the S. by th 
: : 
It is 27 French leagues in length, and 18 in breadth, and con- 
tains 60824 kiliometres, or 298 {quare leagues, and 369,086: 
inhabitante. It is divided into four circ es, © & 
cantons, and 738 communes, 
comprehending 122,786 inhabitants; Clermont, 849425 
Compiegne, 88,048 ; and Senlis, 73,310. According to H 
I very tis of a 
dufky reddith ari on the outfide, and of a fine pearly hue 
within e outfide of this fhell is taken off, and it 
is nicely salbuced, G cutting it down to a proper depth in 
ery part, it is of a fine reddifh yellow, and is the aurora: 
hel of collector 
OISEL, is in Biography, profeflor of law = Gro- 
angen 
3° 
