The Ohio Democrat. (Logan, O. [Ohio]) 1886-1906, 1892-02-06
SCIENCE AND INDUSTRY.

For navigating chain Of lakes IN
Sweden novel idea is being used in
what is called locomotive steum boat.
Between the lakes are rapids. The
boat has wheels and screw propeller,
and the power can be applied TO either.
The extraction OF oil from grape
stones promises to develop into per-
manent industry. For a long time it
has been known that oily matter was
present in considerable quantities in
tho stones of various descriptions of
grapes, but only recently has the ques-
tion been definitely investigated.
In Nicaragua the statues OF the
gods were generally placed at the top
of the pyramids, while the natives far
ther north placed theirs at the summit
or in temples. While hieroglyphics are
common on idols, walls and pottery.
yet the patient researches of our arch
biologists have recovered but little of
tho manners and habits of these abori-
aines.
"A comparatively new system of
construction, the invention of NJ
Monier, is being applied to the building
of houses, bridges, Notifications, reser-
work of iron rods covered with cement
concrete, and the most remarkable
feature in connection with it is the
great strength of the constructed mate
rial relatively to it's weight.
--Algol, the variable star in Pcreus,
has long been a mystery. It's light re-
mains constant for two and half days
1t then begins to fade. and in less than
four hours diminishes to an insignifi-
cant star, remaining thus for about
twenty minutes when it regains its
former brilliancy. 1t has long' been
suspected that dark body revolved
about Algol and which, coming between
us and that star, intercepted more or
| less of it's light.
The syndicate that was formed in
| Germany last summer for the purpose
of establishing colonies of German far
mers in Alabama has procured tract
of land in that state. The work of en-
rolling the colonists is in progress in
Germany, and it is reported that body
of them will be ready to take their de-
parture for Alabama next month. If
| the first colony, which is to be in Wash
ington county, is successful, other colo
nies will be rapidly organized, SO that
within few years the state may have
large German population.
"A wonderful mystery has always
been connected with the propagation of
eels nor is it yet solved TO distinguish
the sex of an eel is only possible by
means of microscope. All that is
known is that cells are hatched or born
in salt water. The shores, bays and in
let's swarm with young wigglers and
they are found in great abundance in
places like Niagara river. being unable
to wriggle up the falls. Unlike the shad
and salmon, which go up fresh water
streams to spawn, they go down to the
salt water to produce their young.
The largest beeAeeper in the world
is Mr.. HARRISON, of California, who has
5000 hives, producing 900, 900 pounds of
honey yearly. In Greece there are 3d.
600 hives, producing 5000, 900 pounds of
honey; in Denmark so, 900, producing
1000, 900; in Russia 11O, 600, producing
the same; in Belgium 300, 900, produc-
ing 100000 pounds; in Holland 240,-
600, producing 5000, 600 pounds; in
France $50, 900, producing $4,000, 600; in
Germany 1,450,0 0O0 and in Austria
1,55O,o 200, each producing 10000, 900
pounds of honey. But in the United
States there are 2,soO,OoO hives belong
ing to 90 600 beekeepers and producing
$4,000, 900 pounds of honey yearly.
Prof. Baird, of the Fish commission,
thinks that saltwater fish are migra-
| tory. If they are reared at given
spot along the shore they will return to
4, q L. ~
ter, Mass, where some experiments
were conducted, found that in those
places where eggs of cod had been
Matched large quantities of this variety.
and of about the size which these fish
would naturally attain in two years,
were to be had in two years after the
eggs had been placed there. They
came to the conclusion that the fish had
returned to their old haunts, and they
gave them the name of THE Fish Com
| mission Cod -