The Cambria freeman. [volume] (Ebensburg, Pa.) 1867-1938, 1889-02-15
sclentIfc scrsps,

Ice was artincisIiy mahufaeiur,,
'he use OF chemical mixtures a. go .
17ss. ''ilJ e
A geologist has come across s-,s-
In Scotland 10 prove that the ss-,,,
in liquid state for l5O. .o0J wear, q
When Ia popular language 5..-
derstorm clears the air." i, .s rs,.-
oz me is generated bg the elsc,-r.
charge.
An English electrician bes 5,-.-.
q msterisl which be calls altsrio,
the prevention OF eorrosion in -. ~
boilers. ''S
Il has been discovered tha. epr..
OF electricity passed through -.
water restores TO purity by des,-,.'.
any living germs with which Il ma,
impregnsted. /"
a single pair of herrings, II sllo-..
TO reproduce uDdisturbed for 20 vs.,
would not only supply the whole us-..
With abundance OF food, but wourst
come inconveniently numerouq
4 French surgeon has known n, =
cases where men with seueaky yoi,.
cut their throsts in attempting sD..is
had them sewed up again, and 9,
after their tones we're like the beI,o-
ing of bull.
Iron and steel are now usualIv A.
tinguished by the use Of acus for
which, when applied to q sDrf,,.-.
steel. produces a black SPOT o..
it has no Eject. leaving the metal ~.
fectly clean. By this test be srIgf,.-
vein OF iron in steel can readily bsss
tected.
Sound is the sensation pro5Bczs
Us when the vibrations OF the mir ar.
on the drum of our ear. When th.-
are few the sound is deep gs tbsy /,
crease in number, II becones sbrit-
and shriller but when they reach Z.
900 in second they cease - ban.
bic.
Houzsau learned that some amin.
are Capable OF measuring time that NJ.
ticularly interest them. Ue say, ~
female crocodiles abandon their .gy..
the sand for ten or fifteen days ser,,,
ing TO The species, aud return ,,.t.
spot a. the exact time when they ar- q,
be hatched.
Coughing and sneezing car be s.-
prd by pressing on the lips iu the Deigt
oorbood OF the nose. Pressing IN n.
neiRhborhOod of the ear, or ures,ir,
very hard or the top Of the mouth IN
inside, is also a means Of Etopglr,
coughing. The will has imueuss nan
er also.
In Norway it has been discover
that SHOW "1feTs a considerable res5,,
taDce TO proj-ctlles. a colonel had
snow trench built metres 80 certfn..
tres thick and three shots w-re s-s3 Il
it from distance of 80 metre. III.
balls only penetrated to The dis,alee O..
! metre 20 centimelres aud were iog.,.
eD irely shapeless.
Here Is d rrmedv for crsmp. surgs.
ed by DR.. r. w. ST. Clair. Of I.oa5e-
Let the patient provide himself will 3.
good, strong cord and keep it z'w4g
by him. When the spasm couez ~ "a
him wind this core around the ac-cg
part, take an end iu each hand sEL g.v.
them a good sharp pull. Il will bu...
litt!e-i, is useless il it does uJ.-b-.
The craEp will vanish st once.
At the Eiison laboratory 10 New j..
sev experiments upon domestic al. .-.s,
have dem rnsira ed that the aftermath,
current O; electricIty Is the most Gsl-
y force known to scirDcr, and tha; 3.
he alternating system hSIi The pressl-
ordinarily us-d for electric ligh.s
csuss instRnr death. A hoTs- having B.
resistance OF Il. 600 ohms suceumpt- f.
an alternating current Of 200 y0.ts
Light is the eject produced Ju G.
Whsn waves of light stuke on lhs sg-
When four hundred millions 20 m.lI..-
OF vibrations q ether strike Abe 70,
In d second. they produe- rsd, a1dr
q be number Increases the color pass
INTO orange, then yellow, thea gr---
b.ue aud y.olr,. Bul bcl seen a. "a.
vibrations in Second snd -four lu.
pred millions % millions Ee b. We
organ OF sense capable Of Teeslviug u.
imprs ssiou.