The Republican. [volume] (Oakland, Md.) 1877-current, 1892-07-08
SCIENCE AND INDUSTRY.

Fried veal, it is said. takes four and
q half hours to digest, rice one hour,
boiled milk two hours, cold milk two
and half hours. Apples digest quicker
than any other food.
England imports annually about
10000 tons of palm oil, but it is con-
sidered that this is a very small amount
compared with what might be the case
were the enormous supplies fully or
even moderately realized.
Recent investigation has shown
that the amount of tannin, which is the
noXious element in tea, is from three
times to five times as great in the Ben
gal and Ceylon leaf as in the Chinese.
The attention of the medical profession
in America is called to this fact
We are nation of coffee drinkers
During the last nine months the i'm
ports of coffee into the United States
amounted to 465. 1884, 1872 pounds, an in
crease of upward of 100 000,0 900 pounds
over the imports for the same period
last year. In the same time the i'm
ports of tea have increased only from
1860. pa pounds to 50, 270. 302 pounds.
At the present time the whole num-
Der of double stars known and recorded
by astronomers is something over TO-
600, far exceeding the total number of
stars visible to the naked eve in the
entire armament (about $1,000, and
others are being frequently discovered
by the great telescopes now in existence
DIR. PIE Smith says of the govt,
that not all drinks will produce it, for
it is rare in Scotland. Not all wines
will produce it. for it is rare in Spain
and Italy. Not all malt liquors will
produce it, for it is rare in Vienna and
Munich. But it belongs to the most
civilized times and nations, to the
stronger sex, to the most vigo.ous
period of life, to the higher classes of
society, and to the most able.
Near Bal<u, the center of Russian
petroleum industry, is witnessed the
anomaly of water used for steam pur-
poses costing more than fuel. The
water is bad and dear, selling for about
fifty cents ton, while a ton of astatki,
which is the residuum of the distilla-
ton of naptha, and is the combustible
equivalent to thmty-six cents per ton of
coal
Long distance phi biography is rem
dered quite successful by new camera
with telescope objective, which con-
sists of a concave lens of short focus
and a convex lens of considerable length
of focus. These are put at a certain dis
tance apart, depending on the differ
ence of the two foci BY the laws of
optics this arrangement projects an in
verted image Of an object at long dis
tance from the lenses.
Brazil with 3,21o,0oo square miles
and 100000 people is the United
States of South America. Her foreign
trade is now S315, 900, 900, about equally
divided between exports and imports
England sells Brazil S47, ooo,o0o worth
of goods annually, and buys only $1,000,
600. The United States last year took
from Brazil $S$ 233, $50 worth of coffee,
Rubber, sugar, hides and skins. We
sold to Brazil Si4.7l0, 955 worth of our
products, but this is double the amount
sold four years ago.-St. Louis Globe
Democrat.
Sound travels by waves radiating
from central point of disturbance,
just as waves radiate when stone is
dropped into still water. 50 far as the
hearing of each individual is concerned
these waves move in direct line from
the cause of the sound to his ear, the
impact being the greatest in the ear
nearest the source This being the case,
a person who has totally lost the sense.
of hearing in one ear. although he may
imagine that the defect is of little con-
sequence, cannot locate the direction of
a sound to save his life, even when the
center of disturbance is quite near.