The weekly Union times. [volume] (Union C.H., South Carolina) 1871-1894, 1891-09-18
SCIENTIFIC AND INDUSTRIAL.

A wool carving machine is success.
full.
Terror.te is more powerful than dyn.
amte.
pound of phosphorus is sufficicn: to
pit 1000, 900 matches.
Swedish cavalry officer has inventei
n horseshoe on which the calks and clips
are changeahle.
A street railroad to be operated by
motors run by fuel oil will soon be in
operation ncap Prague.
The Philadelphia mint has installed
an Eddy electric motor of twenty-five
horse power, which is run by wires from
the street.
It is estimated that twenty thousand
horse power will be required for the
electric lighting plant Of the Columbian
Exposition.
Observation step-lad 1ers are to be
used in the Belgian artillery, tbs OBJ.
iect being to enable commander to
better direct the fire of his gunners.
The Michigan Central Railroad has in
use a new machine that does the work
Of 800 men in scraping the dirt dumped
alongside Of the track to the edges ol
the fill.
A spring has been discovered 10
Greenville, n. H., which contains an
almost nhe nomenal amount of lithium,
even more, it is said, than the famou.
spring a. London derry.
Watch crystals are male by blowing
sphere Of glass abou. oae gard in diam
eter; after which the disks are cut from
it by means of a pair Of co npasses having
diamond at the extremity of one
leg.
A device has been invented by which
an enaine NAV be .stonned, 9a-ary
button, thus making an electrica
connection with the governor of the en-
gine.
A toilet brush is made of two halves
which are hinged and are detachable,
one half being the brush and the other
half the mirror, while in the space be.
tween is n comb, q tooth brush and a
button hook.
The Munich Poeller Physical anl o..
t!ca! Institute have Constructed for the
Chicago Exhibition an eaor nous micro,
scope, manipulated by the aid Of cleo.
tricity. 1t has magnifying power of
1000 linear perspective and has cost
$3.50.
1t is stated that DR.. Lehner, of Augs.
burg, Germany, has solved the problem
OF manufacturing artificial silk Tas
fabric is said to be superior in lustre to
natural silk, and cannot be distinguished
from it, and that limited company is
to be constituted to work the invention.
II this is true, and is found to bs
thoroughly practicable after fair trial,
1t will revolutionize the whole industry
of producing and manufacturing raw
silk.
Mr.. II. Darwin, of the Cambridge
Scientific lnstrunent Company, has de-
Vised "cup micrometer' for measuring
The rate of growth of plant A thread
IS attached to the upper end of the plant
and passes over pulley. To it's lover
end Is fastened a weight, which desc ends
as the pant increases in height. The
amount of its descent is a measure of the
vertical growth OF the plant, and it is
obtained very exactly by means of the
hicrometcr In question.
In paper read to the French Academy
II Sciences, VI. Colin discusses the action
Of cold on animals. The rabbit endures
considerable cold. Adults have lived
IN ordinary hutches suspended from the
branch Of tree or Standing on a heap
OF snow, on their temperature has only
been lowered about one degree in five or
six days. wneu the outside enpsrature
varied from ten to fifteen degrees G..
Other individuals have live1 in perfec.
health for two months in cubical hutches,
open on one side, when the
temperature ranged from ten degrees to
twenty-five degrees. Sheep and pigs
arc also able to live through severe
weather, but the dog aad horse are killed
by it.