, 1879-01-30
A NEW Law OF MOTION.
An Exposition OF tl.a AIysterles OF tt,e OyFo.
scope,

An Exposition OF tlIs AIystorles OF kt,e Oyro.
scope,
ht,g fork Mrufd.
Tic discovery Of Y new law of motion 1t this
time Of day might be considered somewhat
Hpocryptal, and titat ciear solution OF thu
mysteries OF tho gYroscope was not Within tho
gEasp Of tho ordinary man Of letters. And get
Quo Of our cilizens of Irish birth. Mr. Jsults slc
Currult, appears to have demonstrated tue ouc
al4 to have accomplished ttta other, the pruoIs
Of Which. III fur ~ VIC uro abls to judge from
husty glal,ce, now lle before lis. Mr. McCarroil
av~ra that alt botllcs moving in right lines
change thrir tstanee frou. The tcntre u gravity.
and, consequently tilrr weight, Vt crury t1lo-
u,cnt; uul that. when moving iu curves,
or otherwt.e, the iangunt4I lorru, anta.onitini;
with tf,at Of krastty, Acryes to ehauge their
weight also. Hence he lays II down ~ lntrlh
lar q ,aotton, that IT,, i" "ody Is of uniform
In te!ntion 70 tue mysterious problsm Of the
gyroscope.-wllch hua, NC believe. never bcer,
satt.fArtorly solved proyiously,-h's solution IL
seemingly quits c1oar. IN iaet, hn apprars 10
t1ehouatrate that vertical wheel ~ lnu!ion
docs not press upoa the aafe points OF Its hear-
tnEs that II does when 1t u 1t resi-, ttoln llIe
fart, as he alleges, That all the PARTICLES of mat
ter In tue periphery oii oHe sl.'a Of the wheel
haTe Tendency to ay OF ~ yarlous angles In
Tie line Of thu estth'k gravity. a,l one OF them
directly IL ,A4t llnu; while ali The particles In
tue other halt o& sr periphery bare tendency
10 hy OF tu = contrsry direction, establishes VII
unequal distribution of furce upon the axis. and
a Minus aud plus site Of the wlIccl; u ou shu
ouo side We hsys the earthfs gravity, plus the
ssnRenttal force Of the Wheel a,lA ou tile other
it, gravity tnfuus that force. This oIco admit
ted, the motion Of the horizontal ring on which
the vertical wheel re!olyrs u sppasent At once,
for tho ring. being FREQ " obey my
impulse GtyEn II In IT. own plane,
siniply retires befo1a the plus III:
Of the wheel md 10 direction contrary to The
revolution OF the wheel itself. In explanation
0f The mysterious u4auuvr ia which Liz whute
weight Of the Kyroseopo Is sustained on one
side OF Tie upright PIVOT upon which Tic slDull
projection fron, the horizontal ring resss freely,
Mf. NcCarroti eays thut when the vertical wheel
u made to rotate 50 szuldiy tbat the taugcut!al
forcu u in EXCESS Of ua4t Of grayttation III thu
whole MASS, hoth ring anl wheel will remain
Suspended without any mstet1al support on one
>ida Of tie UPRIGHT and 6u carried round thu
pivot up1n Which tie projection from the Hng
rest4, revolving more rapidly ~ thu tanxentlai
futce Of the Y heel decreases aud IL more readily
bent Out Of tts uiasc, uatil, falling baiow tbs
turcn excFciAcd upon The whole lpEss bF The
Rruvity VI thS carth, both ring ui.l wheel bcgiu
10 gradually describe downward tho arc o7
ctrrfe vertical to ltua taugeet to tho earth's
surface, with the plyos for IL centre, aud the
axis vt The wheel, together with the prujeetion
OF The ring, tos IL rxdius, Until, At last, the ex
hAuxted mAA& tulnbles to the ground.