Lawrence democrat. (Lawrenceburg, Tenn.) 1884-1925, 1891-10-09
SCIENCE AND INDUSTRY.

III a. DItulon SuIBcuNSl has nuS
cessfully cured scarlet fever by inunc
ton of eucalyptus oil, in combination
with other essential oils and camphors
He finds that this treatment shortens
the duration of the fever and rapidly
destroys the contagious character of the
disease.
"A recent consensus taken of the
opinions of superintendent of several
large shops is to the effect that there is
no end to the want of first-class me-
chanics who can understand and work
from simple mechanical drawings The
compound school and shop-bred me-
chanic is rapidly leading the field.
The railroads in Australia are all
built by the government Their cost at
first-about thirty years ago-was $780,
900 per mile for double line, exclusive
of rolling stock. At a later period single
line roads were built for $50, 200, and
still later, down to the present time,
for $50, 900 mile. The standard gauge
is feet, inches.
"A prominent lumterman of Seattle
says that timber in the northwest is
hardly considered merchantable if it
goes under ab, 600 feet to the acre. while
il is very common occurrence to find
timber that will go 100000 feet to the
.cre. He recounts sale of forty
acre tract of timber that went 300, 900
feet to the acre. Cincinnati CONNER
cial Gazette.
The addition of aluminium to mott
en- steel before pouring an ingot has
been found to render the metal per-
fectly sound when cast. The action
seems to be entirely chemical, and is
about twenty times more powerful
than that of silicon. The amount used
is from four to eight ounces ton, and
when used manganese can be dispensed
with.
The amount of phosphorus consumed
per annum is about-t two thousand tons,
and is chiefly used in match making.
Hitherto chemicals were used in it's man.
ufacture, but by recent improvement
the raw material and coke are placed in
q specially prepared furnace and cleo
trio heat is applied. The vapor arising
is condensed, and marketable phos
phorus is produced.
Hail storms do not occur in we'll
wooded districts, according to the OBJ
servations of a noted Swiss forester
In evidence of this he points out that g
district formerly exempt from sucf
| 90 l. hnn,, xyicitaI lxr
ones since gaps were made in the for
ests, and that upon replanting the
cleared ground with frs the storms
ceased entirely.
The water of Niagara furnishes
power at cost of five dollars per horse
power per year for twenty four hou
daily run. This is through turbine
under a sixty-foot head The new plal
of utilization will give head of on
hundred and twenty feet and produc'
total power of 10000 horse, equal t.
the aggregate of the fourteen most prom
inent water-power centers in the coun
try.
Waste sawdust and shavings AZ
being utilized by Mons. Claimant, o
Paris, France, for the production of fin
vegetable charcoal, which is intende
to be used for the removal OF the ur
pleasant flavor in the common Frenc
wines, and as flltering medium in dis
tilleries, where it is said to be capabl
of filtering forty times its volume O
alcohol, whereas the ordinary vegetabl
charcoal of commerce filters less an
costs very much more.
"A commercial company has fo
some time been working quarries i
the neighborhood of the well-know
glacial grooves at Kelley Islant
Ohio, and it was feared that thes
remarkable relics of the glacial epoc
might be wholly destroyed Fo
tunately the president of the compan
understands the interest of the phi,
nomena, and has taken care to prever
the most striking of them from bein
injured. Some of the grooves hay
now been rendered safe, the compan,
|, at it's recent annual meeting, having d
cided that the rocks on which they al
! furrowed should be made over to tt
: president by whom they will be tran
ferred to a scientific or historical S
; ciety, "to be preserved in perpetuity fl
the benefit of science"