The People's friend., 1894-09-07
SCIENCE AND INDUSTRY.

The steel pens thrown away ID
schools and Offices are consclentlously
gathered, smelted and made into blades
for pocket knives, watch springs anu
other articles of commercial value.
A careful statistician has tOund
that of the working women IN chicago
S4 per cent. earn just a llvlng-not
cent more. Fourteen per cent. save
little every year 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 mann1ac-
ture it here 1t can be made SO nara as
to be sonorous, and bells made OF IL are
now in use. Government tests OF Ihe
metal show that it is not an alloy, OUT
copper pure and simple.
II has been stated in a recent essay
}faferstf turist that sesa,s
Dy . p in coz ntu. --1,,
less grapes are producet growing
plant from cuttings for sg~erai success
sive generations. The theory is, that
n1ant 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 a.length of line OF
10 123 miles. nearly three-fourths OF
which is submarine cable. 1t has 10 oe
repeated or rewritten fifteen times
The LONGEST cable is between America
and EurOpe. say $500 miles. and the
LONGEST land line is across Australla
from Port Darwin to Adelaide, 2,15G
miles. Press.
Certain beetles have long pee1
known to eject or give out a repulslVe
; fluid from Joints of their bodies o.
t from their legs or from everslolt
! Glands NJ. Cuenot has recently studied
:, the cases of election OF blood IRON
these beetles. The fluid, however,
not red. as the blood Of insects is elthe
o colorless or slightly yellowish Lad.
e birds, oil beetles and other vegetaol'
= feeders are such as possess this haplt'
|, The last number Of the Bulletin o
= the American Geographical Society al
; nounces that the recent study OF TN
1 observations on mountain summlts
> the nelghDOfnOou VI -'ho" -
'e shows that Mount Logan is the lo1tles
10 neak in North America with helgI
- of 19. 500 feet, thus being 1,2Oo lee
hioher than Orizaba and 1,5OO 1e'
hi0hey than Mount st. Elias.
A sound reducer is being lntr
re duced in Germany, which, it is clalme
n entirely overcomes the noise occaslonf
he bv exhaust steam. The apparatus
ia annlicable to all kinds of exhaust E
qines. steam. gas and petroleum
rines while it at the same time serV
- the purpose of an oil and water SCI
rator. A large reducer, fourteen fe
high. has recently been construct
for use in connection with 400 horS
mower winding engine at Westphah
colliery.
DR.. V. Harley, in the proceedln
Of the Royal Society of Great Brlta
states as the results of experlmer
upon himself that sugar is proven 70
nlt muscle food. Seventeen ana a II
30 ounces when fasting increased
working power from CT to 20 per &c
On adding seven ounces TO sln
,et. meal the total work done was lncrea
from 6 to 80 per cent during els
- hours. eight and three-quarter oun
increased his working power from
n TO SO per cent.
- AT Winger, in New South wa
n there is a burning mountain IL IS l.
feet in height, and is supposed 10
large coal seam which has III some
accountable way become lgnlteo'
has been burning for many years,
tainly long before the advent OF
ea' white man in this portion OF the
$50 my. The course Of the fire can a
,oro traced a considerable distance by
numerous depressions or chasns
Also stoned by the falling in OF the gro
AIR from beneath which the coal has
consumed. Smoke is continually
y" ING from the sides Of the mount
,row and in the vicinity of these open
the surface is hot, and mas
parched appearance, while STICKS III
L~o ;.+o these oneninDs are readily Ign
~