The Opelousas courier., 1893-11-25
.rrryTIF1C AND INDUSTRIAL.

the electrician, makes rubies
Id excel the genuine
rha surface Of a mans lungs is esti.
AZ $50 square feet, ten times the
. .a,s Of the external body
s Great Britain the annual sick rate
a.sb inhabitant is ten days to the
y sa IN the United States eight days.
T..ts Of the termite ants of South
..;ss are often twelve feet high and
aaaunsdtogether in clusters, the tallest
3 the center
uS;ch discharges a fluid having a
sarona sulphurous smell, sufficient to
sr;ya away most insect enemies.
The smallest holes pierced by modern
a.cbinery are 1-1ooOth of an inch in
a;s,oater. They are bored through
~..rnhires, rubies and diamonds by 4
Shine which makes 22,C00 revolu.
tons o minute.
gir, James Crichton Browne, the Eng
s;.b specialist, is q believer in the
.hsory that the coming man will be
.ootbiess. He declares that over TO-
mi 900 false teeth are annually fitted
into the mouths of Britishers.
Many Iarve of beetles and other in
..cts are used for food; the bee gives
soney and wax, the coceus mama and
1oehineal, the Spanish fly a bliste-ing
drug, the gall insects an ~astrlngent
md The silk worm an article OF dress.
Tyranus has four little moons-Ariel,
YJmbriel, Titania and Oberon-which,
fnnnily enough, rise in the north and
~ IN the south. A single diminutiye
one. belonging to Neptune, ~traverses
ma sky from southwest to southeast.
Neither Mercury nor Venus has any
satellites.
Doctor Neisser, of the HYGIENE Insti.
snte at Berlin, has discovered in the
citv q new cholera bacillus which he
calls yibrio berolensis. The ~inoccula-
t;on Of dogs, cats and rabbits with this
bacillus has proved that the vibrie is
fully as potent as the Asiatic bacillus.
The Berliners manifest no alarm over
The discovery.
The difference between the etmos-
phere Of the best ventilated houses and
lie outer air is illustrated by the con-
duct Of cut flowers. Blossoms that re-
tain their freshness but O day OIL two
when standing in water within doors
will sometimes live twice as long when
dropped in q shady place out of doors,
eyen without the aid of other moisture
than they obtained from the earth and
air.
Experiments made by the scientists
appointed for that purpose by the
French Government show that the re-
sissanee of the atmosphere to the
motion of a high speed tram often
amounts to half the total resistance
which the locomotive must overcome.
Two engines, of which the resistance
was measured repeatedly and found to
be nineteen pounds per ton at thirty
seven miles per hour, were coupled
together and again tried. In the
sseond trial the resistance fell to four
teen pounds per ton, the second engine
being shielded from atmospheric re-
aistance by the first.
Great attention is now being paid by
The German military authorities to the
question of facilitating and expediting
intrenching methods. Among other
implements which they are testing is
81 intrenching spade, invented by NJ.
de- Layeh. When in use it is fitted to
tbs stock of the rife, but it is sug-
gested that it's proposed place. when
not in use, on the breast of the soldier,
y likely to cause oppression and tc
give little or no protection. The whole
arrangement adds rather more than
three pounds to his impediments.