Mohave County miner., 1888-09-15
SCIENTIFIC soulss.

A child's don in which small phono9rsph
Is fixed is a novelty.
The oxaiate of cereum Is said to bs a
efficient palliative for nausea In seasickness,
The doses are from ten TO twenty grainb
every two or three hours.
Waste silk has been shown 90 be the mosb
effective noD-cor.ductiye covering for steam
pipes The price is high, but the demand h
very great.
A new material called 'leatherines is ap
English manufacture Is can be sold for J
or 8 cents per pound, Is said TO be as tough al
leather, and is destined for packing and bag.
ging. .....
A now patent candlestick keeps the candle
perpendicular, no matter how the stick mag
be held The main principle of the invention
Is a bali joint OF The simplest kind at tho boz
tom OF the socket, tho latter being fxed %
an arm from the side Of the base and extend
ing 10 the center. The comfort and safsty
OF the contrivance Is apparent
A new target, which indicates the value Of
the last shot without the necessity Of .
marker, has been brought cut When the
shot strikes a colored disc appears, which
tells the value 10y its color. The target has
and 1t Is hoped that a trial st long ranges
will be afforded the inventor.
An instrument called the oeteotorus he's
been invented as an Improvements over tAe
tedious and clumsy surgical method 0f cut
ting through bones by means OF saws and
chisels tits practically circular saw ~
yolyed at very high speed by an electric
motor. An ingeuiouSly devised shield,
which passes around the bone 20 b ops.
rated upon, protects the surrounding Hssh
from injury.
A lamp burner has been patented by Mr..
Arthur Cs,utius, Of Berlin, Germany. The
wick tube consists Of two concenfrio tubes
with q space between them for the wick, the
inner tube being shorter and the outer ons
longer and provided with fange, covering
the top Of the wick, the burning portion ok
which win be ON the inside instead Of The
top, between the fange and tho top Of the
inner tube.
At the Royal powder factory, Of wettercn,
IN Belgium, a new gunpowder is being made.
They call it poudre papier, or paper powder,
and it Is said that q charge of IN gTammea
60 grainsI gives, Ia a rife Of small caliber,
en- Initial velocity Of eG0 yards 30 the bail.
This is equal TO, II 10 does not beat, tho IIsbel
powder. The additional advantages are at
tributed TO 1t Of not sineoring the barrel, Of
producing no smoke and Of causing little re-
coil.
The following method Of expclling mus
qlitocs from room Is given by The Bcisn-
tic American: Take Of gum campbor .
piece about onethird the Eize Of hens egg
and evsporate &c by placing 1t In q tin vss-
SCI and holding IL over a lamp, taking care
that 1t does not ignite. The smoke VIII soon
eli the room and expel the mosquitoes, and,
even though the windows should 10 left open
ell night, they viii not enter the from ~
long as the odor rsmainS
A scientific school would be about tho last
thing one would expect 10 find ia siberia, but,
according to Mr.. Kennan, In Tho Century,
the town of Tiumen has well equipped
school Of this kind. IL has mechanical de-
partment, with steam engine, lathes and
tools Of all kinds, and q department. Of
physics, with fine apparatus, including even
the Bell, Edison and Dolbear telephones and
the phonograph, very complete and we'll
equipped chemical laboratory, O good hbreTZ
and department Of art and mechanical
drawing.
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