The Green Forest tribune., 1892-03-24

second saf e3ery degree o. ,emper-
ature above - degrees. It's vliec-
ted b# ude aad dam aess.
Thr.u4A w. 0r, sou is transmit
ted i, s,.40 Hel second, and turough
solids our slxteea tim ias-
ter than If, according - ta8
mature q th- solid. The Cher
the ciaat5et.s nc more promptly
and raq5dls ouo SOUND IS lraosmtt-
ted since lae clactic proFof,j acts
like 5 pr between Jas n 7Igcuies;
and the aeassr the oody tae more
molecules q DC set IN IN 5(ioq, hence,
the slower Es4e jIansmissi -.
After asserting that substance
.nust be very elastic to b. .. swift
conveyor OF sound, thy tell US,
III direei position L tae above
stateHea,, ,Aat sound travels
eafoQsa# lids taste, than through
ar, nttaf astand,us there are bus
tgW Substances lnore elastic than
air, W ar ais lid ,1ut differ
Ell; sounds traTs. With lhc same
velocity. - ia. ae=afs. 20 nader
stand tha6 t0s 80. ir=toua sound
made attn. sam me wi reach
,ae ear 1t TIE a.1na sa.t.t# s. Ia or
ger 70 open gAl, ina ne might
7au< OF Baap gs.s= IL J. Steele
ej> es the tofIoN."e observation in
a loot-no1a: 5.s4.ss Iouaa ,hat IN
blasting wgl59a a..ry zG00 ounds
tne velocity was JO1 tt15 "a second,
while with i4Joo pounds it was
increased % l&l0 lQtI second"
Ihus by the.l o,,.t words it is
proved that tb4 ve.7eig OF sound
increases as tAc ,toaaelHg cause
inc eases, ANA. ts ,l4s case, the
increase IS GNanl -.aur and three-
tenti7s ft5g sec ,f,. I9r eyeIy adli-
tIonai I98g pounds
Vince taking tae tuHHg-tork to
explain the Trans III. .sodoa Of sound,
TyndalI says; .ae prong OF the
fork advances eoaaeeeaig tie air
before II alsi tneu ecegas, leaving
a partial Yacaam. As ;.n expla-
nation OF tbs - ~ to oraw
Il contra, petacen tie air set IN
motion = z.-to * Gid ia, which
is DISTURB wuu.lsnllds. Ia
order t. 1Aje piatn tney in
innate lin las 5oui.4 >uscn accom-
panies wilii=Aihaa Il produced by
the air being 90 denseo w.8n t
comes IL contact Wiz IL s0td bn'v.
The sa8J st relall"g % ine sound
made wAen we SPEAK is h4Ihled
verv Lightly, but oteele emphat =
ii air before our yuths before
we can be heard. Youmans gives
US the following athemaial
problem to demonstrate tie amodirt
OF torco winch rosi0os IN sound.
at is marvellous bow slight an
impulse tnr0wS a vast amount OF aiT
into motion. Ho caa easily hear
the song OF bird see teei ABOVE us.
/ or the melody to reach Us it must
have filled, with interpretations, a
sphere OF air 1000 test In diame,er,
or set in motion Is tons OF the at
mosphere.' .
1t is not astonishing to us now,
that physicists who believe and
accept the above supposlnon
would also maintain the nypotne-
sis that grasshopper KICKS TIE
earth from him every Tune he
jumps.
For the demonstration OF the
sound waves, they have selected
the air, and the only reason WY
air was chosen is because II cannot
be seen. We DO not know that
air is set in motion by sound, an1
neither do they, asserting that u
sound wave IN air, must be All air
wave, they never have admitted
that "a souhd-Wave Ia wood, must
be a wood wave, or, i. in iron, an
iron wave.
We have now referred to the
principal assertions upt.n whica
the wave-theory is based. III the
next chapter we win explain the
corpuscuiar theory AMI begin
comparison Of the two. After w
have made several comparisons, Re
will give tbs experiments M ae