The Russellville Democrat., 1884-03-20
SCIENCE AND INDUSTRY.

"A quilting-frame has been inverted
Shat can be used in connection with Q
sewing-machine. CHf-ago Times.
The farmers Of Hartford County,
Nd, have 100000 invested in cam
ming factories, and the business is still
growing.
Mrs. Edison, the wife OF the in
ventor, is the originator of what prom
ises to be popular arrangement Of the
electric light in chandeliers. ~ J.
san.
A factory at Savannah, Ga, clears
Si3o per day by manufacturing . supe-
rior quality OF wrapping paper out Of
rice straw and palm leaves. formerly
waste material Manufacturing inter-
ests are developing al o.er the South.
= CEicajo Inter OCEAN.
A new claimant for the invention
OF the telephone has appeared, and NJ.
lie Comte du Moncel supports him. so
early as 1854 Charles Borsoul, a French
man, is reputcd 10 have invented the
telephone substantially rs it is now, and
published his Z scoyery in the autumn
of the year mens oned.
The speed at which explosions can
travel has been locked into By NJ. Ber-
the,ot. He tooS for the gases carbonic
oxide and oxygen, and these be ex-
ploded in tube sixteen inches long and
one-third inch in diameter, by means Of
electricity. The rate observed was the
unexpectedly high one OF $500 metres
a second.
The introduction Of electricity as a
substitute for lamps and candies on
board ship is making rapid progress.
There is one source of safety in this to
the ship and the passengers. All lights
are put out at eleven o'clock. After
this time people may talk in the dark,
but there is no possibility of the reck-
less use OF lights and lamps Chicago
Journal.
"A simple and useful bolt has been
invented by Mr.. Arnott, Of the Lyceum
Theater Gondon), having for its object
the fastening of doors of theaters and
other public buildings, so that they can
be opened by mere pressure against the
door from the inside, and not at all from
the outside, dispensing with all other
fastenings, which cause so many acct
dents in cases of panic. One advantage
is, that being once unfastened it can not
be rebolted by accident.
1t was reported short time ago
that piles had been driven by dynamite
in some German experiments. Later
advices concerning the process safe
that an iron plate sixteen inches in di.
ameter and five inches thick is placed
on the top of the pile to be driven, and
npon this plate "a pound-and-a-half
charge of dynamite is exploded by cleo
trieity. The force of the explosion
drives the pile into the mud as far as
would five blows struck by weight Of
$3.50 pounds falling from height OF
ten feet. The system was originated by
Herr Pradamovic, City Engineer OF
Pesth.
"A Bridgeport (Conn.) man has pro-
duced an invention so dangerous that
the Government refused him patent
on it. The description tells of hollow
steel belt flied with compressed air
from an mir pump, and which can be
worn so that il is completely concealed,
wish the exception of tiny nipple pro-
trud.ng through vest buttonhole; a
pellet OF condensed poison placed in this
nipple can be no.selessly sent, with
force sufficient 10 penetrate a quarter
inch of rawli,ie, n distance OF forty
feet; and If the cilet renetrates The hui
man SIX II, in fifteen minutes death en-
sues, although the first indications OF
poisoning do rot appear under five min
utes.--B0Ston ioSt.