, 1876-02-19
bringing forward some arguments 10 support bid
objections. II he cannot refuta them. lat him
admit them ~ true. r. ". CooLKI.


QUESTION OF WEIGHT. +
To tbs Editor of1As Chtedeo 7rtbtn4:
FoND M Lao WIS.,, Fab. 18.-Your >6orrs-
spondant from Oregon. No., doamatically If
firms that tho ttdoa Aro not eAusod by tho AttrAo-
ton Of Tho moon and sun. II I'd, he writes,
"lIow II Il that The BANJO quantity Of water or
Iron weighs, say, \ pound II tho sams ttmo 1t
every place on tho oatth's surfaeo7" :" He re-
minds mo Of q philosopher Of the Middle Agca
who propounded tho conundrutn, "Why 8as Ii
that pieco of silver dropped into vosss1 dllod
to tho br,m With water would not mate It o1or.
fowl" After yoars of discussion among tha
sagest ono moro practical than tho others bo.
water did overflow tho vessel. So Il is viii
your Oregon correspondent. II he will weigh
his water or Iron, he will find II will not weigh
exactly tho ban1n at high lido a. It will It low
tide. OF course, tho difference on pound will
DO inaprrec!.be; but with 100 TONS aud aoca-
rats scales, bo will find dlfforoacs.
r. Son further reflection. It bas occurred
to me that your Oregon correspondent may hAva
tried the experiment on pair Of grocer's eren
balance scoes. BY putting pound Of iron on ooe
sito aud pound Of water GU the othor. OF
course the loss or gnin by attraction would act
on each with equal fotco and WOULD not he
fair test.
"eLeToHIsM" AND oosNlo FORCE.
To the Editor u 7hs Chteugo Tribune:
CHICAGO, Fob. 17.-Yout issue of Jan. % con.
tatus 40 article from correspondent, up. D."
s,,,,,o, ~ MT ~ e,,o,t,ats n f,sek " oh.rs
t'oa q n"s ~ " ~ ' ouo1 II
Al ns felatea tne locaunB u WI! lnIouRn tna
p.occss OF Tater-wi.chory. Again, IN your issud
Of Fob. 2, paper on tho same subject was read
before tho C.vIl Enginaers' Club BY lii. O. Las.
NOR. In Wobstor's Dictionary, under the head
"Dcsoaism," is tho following definition title
fnculty OF perceiripg and indication uubtefrS.
ueau springs aod cuFrents by sensation: so called
from one Bleton. Of France. vim u.a anonoaofl
~ ,,os,.,. 81, ys,,,tx - ~ T.ha,a. ~. 49,.
" poe'''n en'e 1"e w. "e'T'os sn4a o."
pressea doabs OF sho existence OK such
faculty.
Ihad tue privilege Of reaIiuc late letter FROM
prof +. n. T9uch,n.n of r,ontsvi,,. Kr v,,,ta1
~ 1S'.I .,. -" -'N.ssA
~ CORRESPONDENTS ~ soiasaon ~ e4pet'u'en's,
made With the principle or power denontuated
The Cd. or Udinio Force; In which he says:
49, I,anonoo, ~ ,h,ch ~ a.iort;.t b.. 49,
- ~ " ~est. - ,a,na,a.. 4os.,. "sol
o.sonuat A s;.x -. Iii 80. esss'st II
~ = .,nneo ~ s9h,"t i -. s,v :. ~ ~
po.;nnn,. - n;,e t,r,r,ernT ~ ~. natnf.
pollmoo's E'e gnnnns.inst; ..i.st, tno oatu'o nno
u se.sn''uG Ansesi.s s.1oo' LUZ .usse. @
s!onusn. Iao o.;,t. ra.,u 49, .,,.s. ton.s
eApsslulehts ~ oulnic e9'se: ~ Mn'eu Ao Ao4ua
shAs ese.I suossaGe =. ~ s IT,, sni"
E.sss sGsso's aa aa 'ue he, .ua rv,a
i1ed ~ tef'es.tia, msgaensm. inaieashG n
,sadia au ~ .,a 90 sl.t T. essir osI
neeoie " tne ooe5pass; ann tnas' u aaem poaMi'
.,pto leA.ave 70 Nossn auo aoasu nats enaaEsu, ~.
ann ~ na+irooae r 4tsan s5r,a'a MI
secoous. an3 enpsll@ens - sasy s.tnpe. ,.,a1s
most an5 % ~ MI; II. eS'te & ~ ase1 t;ed
anasl psne!', or n.t!e ~ n't oi & wood eSan' t!ea