The Bossier banner., 1892-01-28
SCIENCE AND INDUSTRY.

Blood travels from the heart through
the arteries ordinarily at the rate OF
about twelve inches per second; its
speed through the capillaries is at the
rate of three one-hundredths of an inch
per second
Mr.. Barrett, Darjeeling, India,
tea planter, is opening up some large
plantations in Fiji and is also intro
ducing the requisite machinery. He is
confident that he can make it pay well,
and asserts that the tea grown in Fiji is
much finer than any he has ever seen in
the Darjeeling district
Recent observation throws doubt
on the existence of the so-called fatigue
of metals Two large iron links, one
used for forty years in a suspension
bridge at Kieff, and the other kept in
store since the building of the bridge,
were tested together, and were found
to be of practically identical strength.
An officer in the bureau of the super
intendent of immigration at Washing
ton says that the present demand for
domestic servants is unprecedented.
They are for the most part German,
Swedish or Irish immigrants, and it is
now a rare thing to find an American
girl in the kitchen.
The manufacture of the little Swed-
ish matches which are sold everywhere
so cheaply forms one of the great in
dustries of Sweden. Some idea of the
extent to which these matches are sent
abroad may be inferred from the fact
that 6. 404 tons were exported during
the first six months of this year.
The French government proposes
to devote $780, 900 year for six years
| In bounties for the silkwor1n industry.
| This proposal is made because English
silks, which are neither fortified with
| gum nor whalebone fiber, are growing
into popular favor to such an extent as
to alarm the French government
The process of whitening sugar was
never known until a hen walked
through clay puddle and then strayed
into the sugar house Her tracks were,
of course, left in the piles of sugar, and
| when it was noticed that the spots
where she had stepped were whittier
than the rest, the process of bleaching
sugar with clay was adopted.
"A German inventor has devised a
new material which is intended as a
substitute for leather in many of its uses
This material consists of panels OF
wood with wire netting between, the
whole being glued together under heavy
pressure. The sheets thus made are
said to be very tough and pliable, and
suited for making trunks and other
uses that require strength.
Many of the Interesting remains OF
Troy, which were excavated at such
pains by the efforts of the late DR.
Schliemann, have been stolen and de
destroyed by the Turks and Arabs, anc
some of the most valuable stones usec
to build their wretched huts. The guarC
which was placed in charge of these
relics, after the death of DR.. Schliemann
has been discontinued, and there is moth
ing to prevent the depredations of thu
natives.
Hiram Maxim, the scientist ant
electrician, says it is a mistake to sup
pose that the discharge of a rifle loaded
with smokeless powder is noiseless
There is, says he, no such thing a
noiseless gunpowder. The report from
a discharge of smobeless gunpowder
much sharper and higher pitched thai
that from black or ordinary gunpow
der: it can not, however, be heard any
thing like so far away. The recoil O
the piece is much less, also with smoke
| Tonyu1nr