The weekly messenger. [volume] (St. Martinsville [i.e. St. Martinville] La.) 1886-1948, 1889-05-18
SCIENTIFIC ANDINDUSTRIAL.

The French, the best naval architects,
armor their vessels all around.
Holding the breath is found to control
the sensibility to tickling.
Electric snow plows are to be used on
the electric railway in Boston.
Not poisonous reptile, insect or
plant is found in the Puget Sound re-
glon.
A new cannon made for Russian iron
clad throws solid shot weighing 1856
pounds.
Rev. w. Holland, of Pittsburg, has
accumulated 100, 900 bugs in the interest
of science.
The steamer Faradsy laid the cable in
the Gulf of Mexico at the rate of six
miles per hour.
Mr.. w. Mattieu Williams urges the
adoption of locust paste, or potted To-
Gusts, as table delicacy.
One of the real problems of the day
is how best to coal vessels at sea when
blockading or watching port or when
cruising in war times.
The series traction system, tried and
abandoned In Denver, Col, is being ex-
perimented with under improved patents
at Gravesend, England.
A Griffin, (Ga.) citizen who shaves
three times a week, has noticed that his
beard grows much faster in bright, sunny
weather than when it is cloudy.
On Maiden Island, in the Pacific,
guano is conveyed to the coast over
tramway about five miles long, on which
the loaded trucks are driven by sail
power.
Hertz's recent experiments prove that
actual magnetic waves are reflected and
interfere with one another, and that the
velocity of such waves is about what il
calculated.
A mountain of iron ore, 200 feet high
and asquare mile in area, has been found
by DIR. NOetling, of the Indian GeolOgi-
cal Survey, among the Shan Hills OF
Upper Burmah.
Marquette, Mich, proposes an ex-
tensive installation of lighting and trac.
ton by electricity, to be under the con-
troll of the city fathers. Water is within
convenient distance, and will greatly re-
duce the cost for power.
Natural gas was discovered in Indiana
about two years ago, and since that time
seventy-nine new manufactures have
been established in that State, with
capital aggregating "a, 500, 600, employ
ing, all told, $500 men.
In the recent trials of the United
States dynamite cruiser Vesuvius it was
noticed particularly that the temperature
of her fire room and engine room was
very much below that usually carried in
vessels making a sixteen-knot speed un-
der ordinary draft.
It is now understood that many puz.
cling headaches are due to overstrsining
of the eyes and defective vision. In
such cases q skillful oculist may give
permanent relief by removing tie cause
of straining or providing suitable glasses
to remedy the defects of the sight.
In the long continued experiments
conducted at Portsmouth, England, with
view or determining the respective
merit of compound armor and of solid
steel armor as a protection for battle
ships, the superiority still remains with
the steel-faced armor now adopted in
the navy.
Paper doors are said to be great i'm.
/ provements over wooden ones. They
are formed of two thick paper boards,
stamped and nodded into panels and
glazed together with glue and potash
and then rolled through heavy rollers.
After being covered with a waterproof
coating and one that IS tireproof, they
arc painted, Sarnished and hung in the
usual way.
DR.. J. NJ. Edmunds, in a paper in
dental monthly, advocates the implant-
ing of metallic roots in the Jaw and the
building of artificial teeth upon them.
He believes that this method opens new
possibilities for dentistry by planting
two metallic capsules in the rear of the
jaw and two in the forward portion, ne
thinks 1t practical to lay foundation
for complete set OF permanent teeth.