The Colfax chronicle. [volume] (Colfax, Grant Parish, La.) 1877-1981, 1889-06-08
SCIENCE AND INDUSTRY.


-Oleomargarine is now extensively
taking the place Of other grease in the
preparation of cartridges.
"A liquid preparation has been dis
covered which. being applied to the
carbons, increases the intensity of a
2,OOO-candle power arc light to three
fold degree.
DIR. Tanner. the faster, maintains
that the growing use Of opium and its
compounds frequently produce syn
cope nowadays, which leads to inter-
ment before actual death.
The carpet manufacturers of Phila-
delphia have 1850 looms in use, en-
ploying II. 800 hands. and manufacture
annually 1900. 900 yards of carpet at q
value of $44, $50, 900.
M. Fouque. French metallurgist.
claims to have re-discovered the art Of
making the famous Pompeii blue. His
process is based on a mixture of sill
cate. copper and chalk, and he says
that he can produce any quantity OF it
at moderate cost.
The 1900 miles OF new railroads
built in 1888, called about $4,000 new
men into the service. reckoning FIVE
employees to the mile, including officers
and men in all capacities. The present
railway system OF the United States
has an army of $4,000 men.
Recent delicate scientific expert
ments. says a writer on earthquakes,
have discovered the fact that the sur
face of the land is never absolutely at
rest for more than thirty hours at a
time. Thus those great earthquakes
which make epochs in history are
merely extreme manifestations OF
forces that rarely sleep.
Oxygen was discovered almost
simultaneously. in the year 1774, by
Joseph Priestly and Charles Scheele,
the former-an Englishman by birth
having the precedence by few weeks.
He removed to America in 1874. where
his fame as physicist and chemist
was quickly recognized. His descend
ants and admirers in this country
celebrated the centennial of the dis.
covery with appropriate ceremonies.
The latest use of photography is tc
make a cannon ball take a picture Of
its own wabblings. An arrangement
something like camera is placed in the
forward end of the projectile. and when
it is fred directly at the sun the light
traces lines upon the sensitive plate
from the direction of which it can be
told whether the projectile has kept In
one position or has wavered to and fro
during its fight. The scheme is largely
theoretical as yet
How sponges bore into solid lime
stone or shells is as yet an unsolvet
problem. M. Nassonoff has investi
gated a new species OF Clone which
tunnels oyster and mussel shells, and h
believes that the boring of the canal
and galleries is performed solely by thu
soft parts of the sponge. The pene
tration of the prolongation of the bod.
of the sponge into the shell appears t.
be accomplished by the secretion of
corroding liquid, probably an acid.
| The Italian admiralty have re
Gently caused to be carried out mum
Der of experiments with view to test
ing the comparative merits of casio
oil and olive oil for lubricating pun
poses on board ship. From the result
obtained they ha~, given orders tina
hencefortha all exposed parts of machiu
cry are to be fabricated exclusivel
with castor oil, while mineral oils ar
to be used for cylinder and similar IL
IRRIGATION.
"A process has been discovered
England for drying milk SO as to col
vert it from a fluid to a solid. It
| said that s.the milk, when in a solid
fed state, is delicious, easily digest
: BILE and cheap food. occupies min
; mum of space, is not in the least degrs
, liable to deterioration. and will Their
, fore be found of advantage for use 9
, board ships of war, emigrant and oth'
: ships, and for other purposes. III
: dry milk is readily digestible, nou
i ishing food for children, and even Il
i babies"