, 1876-02-12

.or,ohov or o,bcr ,,,o ,aoo hop oot into nv hcSd
tiat tt Ia aomctning ilke tho following,
eay tow mary ycarr Il would take to o1nal thia
ns tor sncs nssns 81 ns s With oe az
yenrs. aud, IN Ike mnnner measuring ioeono.iv-
nlIo dial nncna in rnnoo hy meaub df IN EnE1lsh
mic,@n @ ioneth Of Tine back, oil lilo bndica
now comprising the solar Bysto.n were utitod in
ono vapory raaas This MASS wsa fn rotation
how il eot in rotation would like to find out.
cotts,n % f1Ece' poonissr to revolving bod,es, and
cailod I behave, centrifugal forco. When David
went forth to do battta with GOLIATH. ho armed
himself With q sling and d for pnbblas. Whon
sling and :urnod II swiftly about bis hoad. 1le
wnB thpn generating this force. When ho lad
accumulated sufficient, l,o lot 10 ono string. 70
leAslng tho stono. and thereby making visible
viii admit thai il wa, to say tho leust conador
nble. llowovor. AZ tho groat mass of nnhuoua
nlatter ravolved thoro waA what no might call o
breang-oH now and t!on. When grind.
tie parta tly OFT with srest vcioclty. Imaeino
slis force eaorting itsolf ii, mass OF revolving
vnpor, wl.ero tl,nro is no cohesion. Whon The
outor rim gols turning at such velocity tLst i.s
force Of gravity L koops revolving in That orbit
willie tie roAt OF tho mass contracts and rocoaos
from It, .
do not know how near I an, to tho truth
Dnt nth ~ll1R 70 LOT my lQea hthHu dld0 ~ sfuo
will, TINT Of Alr. 1Iodgn,an tho Hau,o subject,
and hardly think II can DO injured much by tho
comparison. lila yerB!on OF tlle sanlo theory. It
will bo remembered, IL, that mattor u otorllhl;
TINT Il HRs in Rlowing.hot and gaseous state
from past eternity; and that originally 1t was
aiffuae1 throughout space IN atona tainltoslma'-
ly small.
In my tast latsor, Hhen speaking Of tho rsdia-
tot1 of leat iucft]ontaly made mention Of tho
uniyersnl oll,or whiuh peryatloa ali npace. As-
auu,oi tho axstence of this otl,er a. ptoyou
favs; but ono OF your correspondents Ans seen
1T to question the truth OF its existence, and, IN
prove tlat tho idea Of auch tluil ia entirely tn-
necessary in order to explain tho ptienomoua Of
light nnd heat. Speaking OF tho idoa OF rad.ataa
hoat, he pnys;
ns ta!oSs tha ey se sna eo o
srscr, without being lost Al IL to imagine hut body
rrecpita:sl through that coid iintaol' ocean with
out radiating aud losinH iss hest.
compares hoat to substance whereas, aeeord-
Ing to tho DynA1nical Theory, IT ia but IN effect
lilo appears to forgot that there IS vast dif1cr-
ence between . wayo Of heat, Of light, and body
OF matter moving through space: -, Ihern eau bo
TO drawn botwcon wnyo OF sound aud pro-
1cctilo thrown from tho band. Ia tio ono cnse'
q substance III transmitted; tn the othor nothing
nt saSn Pa..'eS ., r. .ho
| line Of propagation. II h1r. Ho!EtCr will but
| think for moment ho will 600 how q uayo of
| this cfhcr wfosn oxcocdinr rnrikv and elasticity
~ s,,tnnaa nnr mi ncreens;ona NAV trave1
~. s w. ,nm., 5s,anoa .,,,hn,t nnir,,
oat 4nissu @otn ts. n.,a ~ =
| lost. Nneh person thkca ono ena OF
d ropo which Ia lying strnechod along
tho ground, and gives II q auddon
suaRo, certain loop-hA9 1otnl sFaVeis Ell alonG
the lopo: IL thts form is es alone, II Sili traSel
on ~ oil ita iorce 10 apont ~ ovefco!nsnE snc
tr1cton OF tno rope aoa t1en ulo ous. Htl1 ot
second pctaon grasp tho ropo firmly, within ssay-
cling distance OF tlls lofin ana, wheh tho ioop
reaohes hitn' ho fces sudden 1erk; tAo 1otIn
u annihilatod. anu tho tefco ie maae maniGat !:
r,oats .,n,othtnc .r,inat rh,cl tn imninpn' and