OIL. 
is called at this time fern oil, and ufed to be called lime oil ; 
it is prepared i in nn ame manner with the other after burn. 
0: 
‘ing ee RN-U2 
O1 of Sulphur is a name given to ah iamilaats acid 
of fulphur. See sh Sipras SuL 
Oi of Tartar, 
Orn, Train. See cas one y, Train, and WHAL 
OiL of Turpentine is ebraned by diftilling the refin with 
water in a common fti bar the oil i 18 found i in the receiver 
The reéified oil of turpentine of the London and Dublin 
college is obtained from a pint (two pints Dub.) of oil of 
turpentine, and four pints of water. Diftil the oil (a pint 
and a half of the oil, Dub.) 
Purified onl of turpentine of the Edinburgh ~*~ e is ob- 
tained from 1lb. of oil of turpentine, and 4lbs. of water ; 
re 
lighter than on oil, and oe free 
refinous anus, ; but in other refpeéts it has no peculiar 
excellence to recommend it. What remains in the retort is 
and is denominated “ balfam of 
turpentine.’’ (See Batsam.) For the chemical and me- 
dicinal properties of oil of turpentine, fee Pinus, Tur- 
PENTINE, an APE Worms 
IL cle : enus, aname given by Lemery to the falt formed 
b n of copper with the nitrous acid, when it is re- 
folved ae. a liquor by the moifture of the air. This is 
c Pa and efcharotic. 
, Virgin, is underftood of oils expreffed from olives, 
Pe &e. frefh gathered, without being heated, too much 
See OiL 0 
iol See Sutpuuric Acid a lei 
to be prepared in the fame ag 3 the diftilled waters, 
except that lefs = is Seeds and woody 
bftances muft be oi bruifed or rafped. The oil 
diftils over with the water, and, as it 1s lighter or heavier, 
floats on the furface or finks to the i a and is after- 
It is nec ceffa 
that no general rules, that & are i aale to every cafe 
can own. f the volatile oils are prepare 
by the apothecary. The oils of anife, chamomile, juni- 
per, origanum, rof and pimento, are ufuall = 
ie ‘medical agents, volatile oils are ftimulant and ftomachic. 
bose are chiefly employed to remove naufea and flatulence, 
corre the griping qualities of fome purgatives, and 
the difagreeable tafte of other Agate 
ya water and m 
eee 
are well triturated together the oil becca thus a se 
foluble in water, and may be diluted to any extent. Som 
of the more ftimulant of thefe oils are added to eae 
cations to be ufed as rubefacients in cafes of sa 
pains, and paralytic affedions of the joints. Thomfon 
Ou of Wax. See Wax. 
Orr frequently new names from the drugs mixed 
with it ; as oi! of rofes, which is that mixed with rofes ; oil 
ac I igfamy, that perfomed with jafmin 
On of Wine. Et 
On, a wit. ith See UNcrion. 
O1L-Ba veffel in birds replete with an pete fub- 
ftance, rane he one fometimes two glands, for the pur- 
pofe, difpofed among the feathers; which beng preffed by 
the bill or head, emits its oily matter for ane and prun- 
ing the feathers. See saad of Birp. 
Beetle. See Oil BeEty 
Oit-Bladders, in Vegetable "Phyfi tology. See Secretions of 
VEGETABLES. 
ot 
& 
a> 
g 
BS Y 
= 
wo 
pt) 
rice 3; ard in 
e the olive is ae 
fome provinces of Spai er 
cultivated, it is ufed to ae in their lamps. 
The oil-mill we intend to defcribe in this article is for a 
different purpofe ; viz ie exprefling of linfeed and rape- 
feed oils. Thefe grains are exceedingly hard and fmooth 
on their furfaces, and the fragments of their fhells, however 
broken, form little concavities which will retain the oil, 
lefs a far greater preffure is applied than can be obtained ie 
a f{crew-prefs; it is, therefore, done by a wedge-prefs. 
This confifts of a ftrong block of wood, or a ae iron 
frame, in which a long mortife is made: in this a ba 
of bruifed feed is placed at each end, a ipa ee 
put in cae is introduced 
heavy ftamper, ke is raifed up b 
and let fall upon the wedge, till it le driven. it down as far 
as it will go. This caufes a moft immenfe preffure upon the 
feed contained in the bags, and forces out the oil at every 
blow of the ftamper: for it is acurious fact that the fame 
preffure, 
