National Baptist world., 1894-08-31
SCIENCE AND INDUSTRY.

The steel pens thrown away in
schools and offices are conscientlousiy
gathered. smelted and made into blades
for pocket knives, watch springs ana
other articles of commercial value.
"A careful statistician has found
that of the working women in Chicago
81 per cent. earn just living-not a
cent more. Fourteen per cent. save
little every wear and the remaining
per cent do not get enough to keep
them from running in debt.
A new method Of treating copper
has been discovered, and a company Is
said to have been formed to manufac-
ture it here 1t can be made SO hard as
to be sonorous, and bells made OF 1T are
now in use. Government tests OF the
metal show that it is not an alloy, but
copper pure and simple.
1t has been stated in recent essay
by prominent horticulturistt that seed
less grapes are produced by growing
plant from cuttings for several success
sive generations. The theory is, that's
plant becomes accustomed to this mode
of propagation, and then the natural
process Of producing seeds becomes
abortive by disuse.
A wire message from New York to
Auckland traverses length OF line OF
1923 miles, nearly three-fourths OF
which is submarine cable. 1t has to be
repeated or rewritten fifteen times
The longest cable is between America
and Europe, say $500 miles, ana the
longest land line is across Australla
from Port Darwin to Adelaide, 2,15c
miles. Press
Certain beetles haye long been
known to eject or give out repulslve
fluid from Joints of their bodies or
from their legs or from everslbla
glands. M. Cuenot has recently studied
the cases of election of blood from
these beetles. The fluid, however, 1s
not red, as the blood Of insects IS either
colorless or slightly yellowish. Lady
birds. oil beetles and other vegetable
: feeders are such as possess tins haolt.
; The last number Of the Bulletin OF
the American Geographical Society an
nounces that the recent study OF the
observations on mountain SUBMITS IN
the neighborhood of Mount st. Elias
shows that Mount Logan is the loftles'
! peal< in North America, with he1gh'
r of 19,5O0 feet, thus being l,2Oo 1ee'
t higher than Orizaba and 1,5OO fee
' higher than Mount St Elias.
: A sound redueer is being intro
duced in Germany, which, it is claimed
: entirely overcomes the noise occasionet
' bv exhaust steam. The apparatus l
applicable to all kinds of exhaust en-
gines, steam, gas and petroleum en-
gines. while it at the same time serve
the purpose of an oil and water sepa
rator. A large reducer, fourteen fee
high. has recently been constructs
:, for use in connection with 400 horse
= power winding engine at Westphalla
} colliery.
h DIR. V. Harley, in the proceeding
II of the Royal Society Of Great Britain
IF states as the results of experiment
: upon himself that sugar is proven TO o
a muscle food. Seventeen and hal
: ounces when fasting increased n
'e working power from 81 to IS per cen
o On adding seven ounces to sma
/. meal the total work done was increase
10 from to 80 per cent During eigf
!, hours, e1gnC ana tnFec-queiluo uoA oe'N>
= increased his working power from
to SO per cent.
le AT Winger, in New South Vale
h. there is a burning mountain. 1t is Is.
- feet in height, and is supposed to be
large coal seam which has in some III
L. accountable way become ignited, an
t. has been burning for many years, ce
I'd tainly long before the advent OF Il
white man in this portion of the &C
sny. The course of the fire can
traced considerable distance by Il
IS numerous depressions or chasms occ
stoned by the falling in of the groul
from beneath which the coal has oe'
consumed. Smoke is continually iss
he ing from the sides of the mountai
nd and in the vicinity of these openln
% the surface is hot, and has on
parched appearance, while sticks thru
;n+n these openings are readily ignite
m Y. T-i1u1.-.