Wessington Springs herald. (Wessington Springs, Aurora County, Dakota [S.D.]) 1883-1891, 1884-10-31
SCIENCE AND INDUSTRY.

Getting out and grinding hemlocR
bark for adulteration of beer is quite Al
industry in some parts of the country.
Chicago Herald.
The latest discoveries render in&
sulation SO perfect that to-day there il
less loss of electrical power. between
the United States and England than
there formerly was between New York
and Brooklyn.-M. 7. San.
Plates of cast glass have been sub
stltuted for copper in the sl1eatlng Of
an Italian vessel, the joints being made
tight with q sllicate mastic. The adj
vantages claimed are exemption from
oxidation and l~ncrustatlon. IN. y.
Herald.
Experiments with an electric
tricycle. in England have Eeen so en-
couraging that 25O machines will be
built. They are driven by 8 storage
battery. carry two persons, and are ex-
pected to run at the rate OF six miles an
hour on level ground.
To make plaster set quickly mix it
with water into which a little sulphate
OF potash has been dissolved. 10 make
plaster set slowly mix it with fine
slaked lime. The time of setting may
be regulated after a few trials by
changing the relative proportions
Cleveland Leader. ~sa
A pure black upon wood may be
produced by the application OF the
following mixture: -Four four quarts
of water ever an ounce of Iogwood
and, when the solution is effected, add
a dram of yellow chromate Of po-
tasslum and stir the whole we'll. It
may require Sc eral applications of the
mixture. -ErcAange.
A young man in prison at Karlaus.
Bohemia, has constructed a marvel Of
ingenuity in the shape of a watch eight
centimetres in diameter and two in
thickness, made from the only materi-
as available to him-straw, thread,
two needles and a small piece of paper
as dial plate. 1t goes for six hours
and with a little more necessary mate
rial could be made to go for twelve.
"A possible clew to the sudden fa.
tally produced by chloroform in soma
cases, even when administered by the
moss cautious experts, is furnished BY
the just published experiments of NJ.
dubois, of Paris, who finds that this
agent acts with extraordinary rapidity
on criminals after the introduction OF
alcohol into the system, and terminates
in death with startling a%bruptness.
If it be true, as the Charleston Is.
CO. NeWs and Courier asserts. that q
successful co~tton-picker has been in-
vented which stands the test of practi-
cal use, it is one of the most important
discoveries of recent times, and will be
worthy to take rank in the same cate
CORY with Whitney's cotton-gin and
Arkwright's spindles. It cost 800, OOo.-
COO to pick last years crop. 1t 10
claimed for the new machine that il
will do the work for o~ne-seventh OF the
cost OF hand labor. -PruSrie Farmer.
WALTON, a lock-maker, OF Birming-
ham, Eng, has q master key which he
claims is capable of opening $4,000
patent lever locks, all the locks to be
diferent-that is to say, each Of the
$500 locks may be different in their
wards and combinations. The KEY
| weighs three ounces and is nickel
pla, ed. 1t has taken the inventor
three years to complete the drawings Of
the different wards and combinations
which enable this extraordinary pro-
duct of human ingenuity to be made.