Richmond daily Whig. [volume] (Richmond, Va.) 1842-1861, 1856-04-22
X &c III NJ O. \ ID w IIIG.
READABLE EXTRACTS

lhat There ~ going be: ween sound and
light in which light /. invariably IN. victor every child
l. =, w '''' ''''' cue"
&c" '"e "''n "hd heari the r"por' OF
" '"Ne" ~ H'e hghtniiig and then listened tor
the hunder' but what the difference ot speed between
the competitors j. it Ia. not bn easy TO ascertain within
+ ,rtio, of i, ...,o,j and - ,. Il, -,
-, . :. ' '""'' '''' ""u'd
' '' VI" 'N'e'neSS " moirri science. Experiments
nave u'"aF Oh ma dr Tor this purpose by batteries
tll-iy pl,', in elevated positions. hut even with ,b..
the different uir cion ot t- wind OF the difference in t.
'ckie ui sight rnd bearing in th. .xpe,iuenter. h,.
ted TO slght DIN rcuc.- ut result A much NOR. snr,e
method the Z vcnion ui W. Meikl- Sco,chman /. din.
described ih ChdrJcr's JDartaI
He caused a cir,ul,, and .,,lid ,.hi ., x,. ,
regular tpot,on o,r. a. - - ,,s ~ ''"'e s''n W
but cl.nr ti1lt IN, nj. ,,,.,,. a. -. -" =, u,'N
hind the wheel near ,sbo... -, IL .i 49, ~ e DC
a narrow sIit or on.piry A. IL - f,i' ~,
light was sh.xn tbrnnyb III ,,, M, a. '"'
p-r -.cond ,,d ,h, f,.'',,. P, - me |. uS'" once
time. PROJECTING too,l, I. ..d a, ,h xIi - % ;t s-"
.harl not upon a b.U .., o, j., ch - I,,e ILi'N
-, -, - -. s. ~ % q, eaen r tr'"'uuo"' lhu-,
,,,,d ...,,; -, " nAS" y, ngnt anu stroke oi
then place himself before IN. instrument On .r, wha
the light and the seound reached him together Reruy
further "h, he found that the beIl-not yg.d ,h d,
taucr was greater. aud the light arrived before the sound
stu 'ctreatng however, he arrived length At another
spot where the together again; only that in
tls instance the hash OF revolution conceded the
stroke struck second before. The interval between the
two points showed precisely the disisnce travelled by
sound IN one second Of time If the observer removed
yet iurther the Hash and more separated
ihu were again united upon reaching the point where the
ght caught up the sound which had seconds on
IT. journey.
By this device, not only is it possible TO multiply the
observations easily and indefnelythe single fash aud
report OF CANTON being replaced by hundred rep.
tons "t hight and sound-but the influence Of surpri.
Is quite super ceded The observer need not stand with
ION painful! ON the stretch To catch first the fash
'I ht" u. report as they arrive but may cooly
ana ro watching the light aud listening 10 the toll A.
,hey ar" visible aud audible every second and fixing upou
W" pot where both appear To reach him in per feet
thus measured il To assign IlI9 t, a. ,ba 80
travelled over by the air pulses sound in second OF time
aud in the ordinary state Of th. atmo.pbrre This vI;
" l. equivalent 10 about thirteen uilss ,;r, r. :;
hardly probable that the error il, ,bi. con,,; -,
be- great a. the forteth part of 4 second pc,;I 80
of this acu.stical fac are not unireouent W. b,v III
learned that by nothing the interval b',xsar k I;b,;
and consequent clap oi thunder the distance NJ ,l i
tTica disturbance and remotsness of nsrl ma, b 81
determined From similar observniion upon tho o,,
oi an enemy, sailors able to ascertain the distance
Of his batteries and regulate the ranva of tn own hI
sides.
Nor has the wild Igb,nir, ., Oh. uo.,..,. ....-,
pertinent NJ Ar,,. has snt.adI . - ese.Peu eA
ration of =. AL -, toI,,.;.- 40 -e'eNN"s "'e du-
A Nhe.l uas co,,rc,,s ,,,
substance. with e,,c,Iy Inn anu ronghehed
yer stretching acro.- II t,r - -. ~ VI o'sn' SUI
the wheel m, md. 10 rv,i, -, " etSuuneie"es IL
rays will become n,ern;n,d -; 90 queN!, Iae siiVeT
spuesr bright and sb;, -, '"e Slo.e surface viii
utiots sr, ,t tho mt. az tn -, ", '. '"e re'"-
bund,.d ,ins bi, l,' per seeonu' then II VII take
part of a second far e.rh -, 80 - ~
which s.parat.. il from i,s ,i - Wv. "'e interval
ilnpr,ssop Of a Wbollv h,;,t,I - = S ~ P'v'uee 'hS
so revolving in the ,lark he ;Ii,,i 49, a. a. 'e ~neei
nin, II will ,ec,rlin ID, , y . uisn o ngn'-
flash last hut IN m. In ,si,i,b =, ~ snouu ue
o,-a. on the co,,r,ry ,b -, Tu. a. u does
Wei ing 50 ces are defined ,.;,L -, - ~ ol'ce 'n'e'
clearness n Il the .boJ ;I a .nueu nafpheSs ava
Arago WIS justified In c,l" ~, AZ res.-h.
liant and extensive a,sbe I;L Ia - . 'e most oiii-
whole horizon are begun and ovs- IN L. g; - 'e
Thqr miht thn h. 7 ,1" ~ 'Sss uuie than thi.
y.sor, a-i =, 40 ,,- a., % Srs & while te
it, predecessor had expired e' 'eo'e
Thirteen miles minute seems very ,ol.,.tl. 49,,
but it Is snal-like indeed compared with EL "a T
our iavorite comparison take the gnIIinr .yy,.,
lightning speed is expression: but how swift
- lightning either the Wild lightning of the heavens or
the tanned lightning OF cur telegraphs? We would seem
to have facilities ascertainng the last II il doe
not IN less than me"-which in one sense il doa
another West az il brc,,. l., - i,S ~ | ~" ~ a.