Clinch Valley news. [volume] (Jeffersonville, Va.) 18??-2019, 1890-09-05
POPULAR SCIENCE.

Oil from corn is one of tho latest prod
,icts.
The dynamite cruiser "vcsuvius,, can
make twenty-five miles an hour when in
hurry.
The water supply in Toxic, Japan, in
stead OF being taken directly into the
house, is led into wells, which as rule
are only on one sido of tho street.
1t Is proposed to transport mail matter
from Bucnos Ayrcs to 'SIontcvideo,
distance of $50 miles, by tho tclferago
system, which can also be used for light
frcights.
1t is proposed TO substitute now
measure of light rs standard in place of
the candle, and it is thought that some
one of the measures already used will DO
adopted.
Lettuce has q scdativc effect on the
nervous system, and the ordinary plant,
MS we'll us druggists preparations of it,
may be successfully employed in cases of
insomnia.
Ono of tho highest obscrvatorics in tho
world is about to be erected i'll Tananar-
ivo, Madagascar 1t will DO In every
way complete and tho site chosen for it
is about 400 feet above the sea lovol.
The picture gallery aud ballroom in
London of Colonel North, "thc Nitrate
King, arc fitted with the now spray
system to protect tho pictures and pre-.
vent damage by heat.
A new invention of English origin IN
an incaudcsccnt lamp in which tho fila
mcnt is coated with II layer of silicon. II
is claimed that tho dcgroo of vacuum re-
quircd inside the bulb will DO thus les.
sehcd.
The "halos" produced in photographs
by brilliant points can, it ia stated, bu
suppressed by covering tho back of tho
plate with thick layer of collodion con.
tanning small quantity of ohrysoidinc
in solution.
AS tho result of weighing 203 newly
born children to determine the weight of
brain, tho male infants brain Weighed
ll.0 ounces and the female 1 @ ounces,
the weight of the brain being to tho body
rs one to eight or thcrcabout.
London is giving her electric traction
service boom. Before worry long limo
OF omnbuscs run by electricity Ia to bo
started. They will be driven by storage
batteries, and each bus Is to have q scat.
ing capacity of twcnty-six passengers.
The danger of infection from impure
water is said to be only slightly reduced
by filtration through sand, bacteria pass.
ing through ut NIL times, but in larger
| ,up,1,nru t,,a I, 4.
cleaned and again after 1t has been used
for somc time.
Scientific persons have found that tho
reason why II dog turns around three or
-four times before lying down il TINT his
ancestors camo from sandy region and
were accustomed to turn thcmsovc,
around in order to mako II comfortable
bed in the sand.
A new smohclcss powder, known Ms
tho Walthamitc powder, has been mnds
in England. Up to the present it In,
worked very satisfactorily, giving result
when fired from II rifle Mt 1000 yards thni
are looked upon rs little less thtn mar.
Vicious. The powder Is granulatcd, and in
appearance resembles highly glazed
sporting powder.
II Inns been learned by experiments
with carrier pigeons recently madc ir
Europe that tho normal velocity of thi,
bird of pnssage is about 1910 yards q
minute. With fresh wind in tho di.
rcction Of flight this velocity has been
considerably increased. Sometimes nj
most 1000 yards has been mado in tho
Same interval of time.
According to calculation furnished
by Professor William Hardness, of tho
Naval Observatory, body Weighing
ono pound nvoirdupois on spring bnl,
ancc Mt tho oarth's equator would weigh
only 0.1O5s4 of pound, or 2.6534
ounces, upon tho same spring balance, ut
tho moons cquntor. In the statement on
this subject appearing in books tho con,
trifugal forco is neglected.. It amounts
to twenty-four grains in nvoirdupoia
pound of 1000 grains.