The Washington herald., 1909-02-28
NOTES OF THE INDUSTRIAL WORLD.

Plant life seldom shrives under ash or
yew trees.
Prussc acid polsozs every living thing.
plants as well as animals.
More than a score OF varieties OF rub
Der trees are grown In liberia
Japan's average death rate Is between
seventeen and eighteen per 100
Every time a gasoline motor misses fire
a charge Of gas has been wasted.
The Dead Sea h one-third solid matter,
the greater part Of which IS salt
The average yield of an orange tree dur
ing its life IS about 20eo0 oranges
Chinese fishermen wear stockings made
Of human hair 10 prevent wet feet
In France alone rats and mice damage
property worth s4o.oo0,o0o every year
Three score languages are spoken By
the natives OF the empire Of the Gar.
There are over 22S0o0 students In Eu-
ropes - universities, nearly 5000 OF them
women.
A Norwegian law provides that three
saplings must be planted for every tree
cut down.
Claus Spreokles the sugar magnate
who died in san Francisco recently, was
the inventor Of cube sugar.
Although Paris has more than 2s.o9
physicians Iezs than half OF them. It Is
said. make over $50 a year.
A hedge trimmer. operated on the prin-
cipls OF BARRIERS clippers, has been pat
enied hy a resident of Oregon
Plaster Of Paris. it IS said. may be used
as flux for melting scrap metal con-
tslnlng small amounts OF iron
The horn Of the rhinosceros Is not Join
ed 20 the skull. as in other horn animals.
but is q growth from the skin.
A Stockholm inventor claims 70 have
devised method of transmitting pictures
by ordinary telegraph apparatus
a mixture o. equal parts oS alcohol and
water is the best for cleansing greasy and
dingy surfaces Of lantern mirrors
Egg shells are being used in Germany
as incsndescent gas mantles. giving =
clear light md proving very durable
The proposal % hold an international
aeroplane competition in Russia this year
has been abandoned for lack OF funds.
A short circuit lasting eight hours viii
ruin almost any dry battery and do al
most as much damage TO a liquid one.
salt Is used as a flux in melting brass
and other copper alloys. as # reduces tho
oxide that forms and cleans the metal
The British OrnithologiCa1 Society will
send an expedition 10 explore the little
known mountains Of Dutch New Guinea
A single electric lamp. containing fifty
pairs OF carbon. viii be used on top Of a
railroad terminal at Jersey City. y. J.
A machine that cleans old bricks OF
their mortar automatically is a recent IN
vention in the line OF labOr-saving de-
vices.
The pressure OF water Is well iliustrat-
ed by the fact that so light an article as
cork viii not rise II submerged twenty
feet.
The Cambridge experimental farm has
begun an interesting investigation Of the
inheritance Of horns and face color in
sheep.
The river EIbe is being tunneled at
Hamburg. ct a cost OF S2000.0oo. to facil-
itate travel between the two sections OF
the city
The largest pulley block in the world
was recently completed at Belfast. Ne
II Is 4-shive affair. Weighing SO
pounds
Sharp angles should be avoided in the
pipes Of hot-air furnaces. Square turns
obstruct the how of air much more than
rounded ones.
The Italian army has constructed a di-
rigibie balloon with a capacity Of $500
cubic meters. al parts CT which were
made In Italy.
Brazil has granted a concession TO
German company for a telegraph cable to
Europe and South Africa by way of
Tenerifse Island.
There are at least three species Of
dogs which DO not bark-the Egyptian
sheep dog. the Australian dog. and the
'1ion-headed" dog OF Tibet
A peculiar kind OF stone found IN
Finland is a natural barometer. It Is
white IN clear weather. but dsrkens on
the approach Of a storm.
An arsenic smelter at Everett. wash.
makes enough Of the poison each week
TO kin every man, woman, and child IN
the Western Hemisphere
An entomologist has figured out that 20
make a pound CT clover honey a bee
must make $4,000 trips between the
blossoms and the hive.
Aluminium is now being rolled thinner
than tinfol, which K Is expected 70 re-
place by reason of its being both lighter
and cheaper to manufacture.
Milk may be kept fresh for a month
by adding 70 It at a temperature OF 1z4
F.. L3 per cent. by volume OF a 3-per
cent solution Of hydrogen peroxide
To construct an egg a hen gathers and
combines approximately $50 grains OF
water. 10 OF fat. loS Of line 50 OF al
bumen. IS Of sugar. and 10 Of ash
Corsets made Of steel rings. Weighing
eight pounds, and which are said to be
bullet-proof are being tested by the
German army. They are the invention