The Bossier banner. [volume] (Bellevue, Bossier Parish, La.) 1859-1952, 1889-04-04
sCIENcE ANp lNpusTRY.


The farrier's trade has of late been
made study in this country, as it has
for long time abroad. and the shoeing
of horses is being brought to science.
The power of cold to diminish pain
has long been known to country people;
but it's value as an anesthetic is only
lately becoming appreciated by the
medical faculty.
The Aztecs made a good glass
which they used for their best cutting
blades, swords, daggers, spears, saws,
chisels and axes. They sharpened
these by cleaving off the dull edges.
Experiments have been made in
Berlin with India rubber pavement. 1t
is said to be very durable, of course
noiseless, ana unaffected by heat or
cold. AS covering for bridges it is
said to have peculiar merits, its elas-
ticity preventing vibration.
Nicotine is one of the most power
full of the known nerve poisous. It is
as virulent as prussic acid. There is
no substance known which can coun-
teract its effects; the system either
succumbs or survives, according to its
resisting power.
1t has been supposed that the old
Egyptians were unacquainted with re-
sin, but jar of that substance has
been discovered amid the ruins of Nau-
Gratis which, according to the testimo-
ny of expert Egyptologists who have
examined it, dates from the sixth CEN
tury B. G.
"A new dynamo with a capacity to
run eight incandescent lights has been
invented by Vermont electrician. 1t
has some novel features, one being
slow current obviating all danger,
while one light can be shut off without
affecting the others ON the same cur
rent.
-Southbridge, Mass, has the largest
spectacle factory in the world. More
than three-fourths of the gold specta-
cles and Eyeglasses made in this coun-
try are made in Southbridge, one COM
pany alone in that town having turned
out 1,500,0 900 pairs last year.
One of the new applications of a
waste product to a useful purpose is
the manufacture of paper out of cedar
wood pulp, for underlying carpets,
wrapping of wool, furs; etc. The paper
makers procure the cedar chips of pen
Gil manufacturers, and the paper made
of this material will, it is claimed, pre-.
serve articles wrapped in it from the
moths.
An electrical fire engine, which
can be tapped for service wheneveI
wanted, is the latest invention. Th'
advantages claimed are that it can b.
started at full speed; that it is mucl
lighter than steam fire engine O
equal power; that it costs one-thirt
less; that it is noiseless in it's opera
tion; makes no smoke, sparks no
ashes; that it is safer and easier to con
troll and is economical.
Many of the valentines which ar
a combination of laced and silve
paper, string notices, lunches @
colored flowers, little mirrors and th
like are made in London, in a factor
where the work goes on the yea
around. Much of the work is done b
hand, and women are the most exper
at it. They use good deal of muci
lage in constructing these affairs, an
invariably use the third finger of tn
right hand instead of mucilage brush
Talking about employing wome
in factories" said a Manistee, Mich
lnmberman to the Timberman, ''bring
about the fact that the hoop factory /;
Manistee employs women feeding th
planers and other light work of tn;
nature, and finds that they do til
work well, and at the dairy sa
factories all the sacking and sue
work is done by girls, who work c
piece work and earn 81 to $1.25 a da,
and seems to like the employment.