The Republican. [volume] (Oakland, Md.) 1877-current, 1895-05-16
SCIENCE AND INDUSTRY.

Edible snails to the amount of 23O,.
300 pounds are annually shipped to thi.
country from France. At the place OF
expectation they are worth about 81. 50
per 1000.
Prof. Guntz, of Nancy, says that he
has found simpler method of obtain.
ing argon than that of Lord Rayleigh
and Prof. Ramsey. He extracts it from
lithium at moderate temperature.
Lord Raleigh has made a fiash-light
triumph. He photographed the break.
Ing up of a soap bubble, a process
which occupied between the two-hun-
dredth and three-hundredth part of a
second.
The experiment of conveying the
mail from the Chicago post Office to
the Illinois Central depot by cars rum
ming on cable over the roofs of build
ings and propelled by an electric motor
will soon be tried
The Tyrol is to have new roads, the
Landtag having voted 100000 gulden
for that object. Many parts of the
road from Coward to Duchenstein,
through the dolomite region, will be
ready next summer.
The city of Carlisle, England, has
Its sewers ventilated by their attach
ment to thirty tall factory chimneys,
which, of course, create strong up
draught, besides heating and destroy
ing disease germs in the effluvia car
lried up.
Russia has established medical
staff at its consulate at Meshed in
Persia, to watch and give notice of the
appearance of epidemic diseases in
northern Persia Caravans entering
Russian territory must obtain bills of
health from it.
"A well-known electrician, S. A.
Marley, has expressed his opinion that
a lightning discharge may occasionally
kill birds flying in the air, but simply
from their being accidentally in the
line of the path of discharge or in
close vicinity to that path.
Sir Benjamin Richardson, a noted
English physician, thinks that the nor
nal period of human life is about one
hundred and ten years, and that seven
out of ten average people ought to live
that long If they took proper care of
themselves. Times.
Tapestry has proved failure as
manufacture in England. The Royal
Windsor works, esta blished by the eff
forts of the late duke of Albany, have
sold their cartoons and looms The
cartoons, made by well-known English
artists, brought almost nothing.
-Cesare Lombroso, the well-known
Italian criminologist, who is trying to
prove that genius is madness, is a
Venetian Jew, whose fathers name
was Aaron Levi. He began by writing
tragedies at the age of thirteen, but
studied medicine and became special
list IN mental diseases. He is now fifty
nine years old.
Glass has been produced in Ger
many which will transmit light freely,
but not heat Such material, contain
ing 2.S per cent. of ferrous chloride,
allowed only 4.06 per cent. of radiant
heat to pass through it, while another
Plate of equal thickness, and contain
ing the same amount of iron as ferric
chloride, permitted 11.2 to pass. One
per cent of ferrous oxide produced
Eglass having very faint blue tinge,
but even more impervious to heat than
the other sample.
The Aetna electric works of Hart
ford, Conn, are said to be now manu-
featuring a new incandescent lamp,
which is specially adapted to railway
and steamship service. BY a peculiar
method of anchoring the filament the
life of the lamp is increased The
manufacturers claim they can guaran-
tee fifty per cent. longer life for their
lamp than any other lamp made. The
filament being bent upon itself, pre-
sents all the radiating surface possible
in condensed form and makes very
pretty and taking effect. 1t is claimed
that there is no dropping or warping
of filaments when the lamp is placed at
an angle, or in factories when used
near large belts, in fact, that there is
absolutely no vibration, Earring or
shaking that can affect them to any
W