New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1885-06-17
UNWILLING A TABLET.
PRINCETON HoSoRs PROFESSOR HENRY.
SPEECH or EDWARD n prcxERsoN-orHER ExER-
CIsIs OF The DAY.


SPEECH or EDWARD n. p1cxERsoN-orHER ExER'
cIsEs OF THE DAY.
PRINCETON. N. j., June 16.-The exercises
to-day have been the most varied and the most interest,"
ing OF Commencement Week The reading OF theses Ny
the graduating class Of the John @. Green schoo oi
Science continued at a. M In the Chemica haii
The mon and subjects Of their theses were as
Frank ii. spcer, OF Pittsburg: "The Aimentafy Irao'
OF the Larval seventeenyear Locust" Persiior uio
son, of Philadelphia: Hydraulic Cements.' Lu.ncr
Weckes Frost OF White Plains, N Y: "Review OF the
Or oan Dam with Outline OF the Croton water sup
N.Y." william Joseph Green, OF Cedar Rapids Ia: Re
view OF the superintendent Locomotive star OF the
New-Jersey Central II. r." Edmund Walen BILL Oh
New-York City: d" Estimation OF Urea" James BucSe-
lew OF Jamesburg N j.. "Review OF Glass p Loco
motive, of the Pennsylvania Railroad" Clarence L.
Burger of Brooklyn N. Y: "Review Of Ball En-
ginc John Stevens Conover, of Princeton, N j.: Re
view OF the Worhngton Pump OF the Princeton water
Works.; and John Blanchard Miles, OF Peora' III.
.Revew Of the Hghtstown Bridge OF the pennsylvania
Railroad" All OF these theses were based upon
original experiments performed by the students them
selves and many Of them were supplemented by Ola
grams and lantern slides.
In spite of the intense heat large crowd assembled In
the Marquand Chapel witness the ceremonies mt the
unwilling of a tablet the memory Of Professor Jo
seph Henry NJ. d.. LID, who was member OF the
Princeton College Faculty from ls32-ls4s. This tap
let was presented the college by few friends to com
his valuable services to science and In parc
ular those discoveries which have made the magneu
telegraph possible. The tablet Is the work OF Mr. L. 81
Gaudens designs by A. Paige Brown, the artist and
architect OF New-York 1t is made of Echaillon MARBLE
is about six feet height In breadth and has in
the centre q fo-size likeness which members OF Dr.
Uenry's family say Is almost perfect On Saturday the
tablet was placed the Marquand Chapel where 1t has
| remained yelled until the ceremonies OF to-day.
After an organ prelude from the Symphonies OF Bee
| .vod nv Mr. ID
prayer had been made by the Rev. Dr. A. A. Hodge, OF
the Seminary T. N Dckerson. OF New-York, presented
the tablet to the college. lie said
| Mr.. PRESIDENT AND GENTLEMEN OF THE COLLEGE OF
NEw-JERsEr-The pleasant. yet sad duty has been com
mtted OF presenting this tablet to your honorable
college commit II to your care to be forever enshrhed
in this beautiful temple May ever remain here as an
encouracemert to excel. May he whom 1t commemo-
rates ever to be example to the ingenious
Youths shall in the future gather about TINS affair."
how to study how TO think how to work, how TO i've
and how TO die May this tablet remind the friends OF
the college who may from time to time assemble mere
that Princeton once honored by the presence oi
Joseph Henry one OF the greatest pioneers IN natural
science To those who knew him no scuIptured marble
Is needed to keep him ever present In our remembrance
and our hearts. But to those who have never seen
him. or have seen him but have not known him, 1t Will
he somethipg to contemplate this marble and Imagine
what he was
In the year 1889. nearly half century ago
brought here ~ q student, first saw Professor
Henry. remember It wel-the time, the place
and the surroundings Boyish Inauguration
had pictured the great discoycrer rs
venerable man, bowed down with the toll OF years. ana
with the burrows. with which oyertasked nature re-
ven res herself traced upon his brow-such aperson'
pcrhaps as the artist presented TO Us In the familiar
picture Of Humboldt In his study How different the
reality In tho maturity OF q perfect MANHOOD 10
stood:
combination and A. form form ~ zee ri, seal
Tl, s1y sy ,o r SG s ss' q man
porn In the diving moments OF the eighteenth century
h. age was numbered by the years denotng the years
Of ,he nineteenth Bat like the century with whose
owt his Growth kept pace, he had developed with al :
most uneramped rapIdty and at the age OF tnry
| when he took his chair here. although ne was p"'
vontb and ruddy and Of fair eountenance' ana was
| armed only with the simple sling OF MS own con''i"0,
ton and pebbles the brook OF nature he was e1ua
% ,,o ,rn.d w,rrors OF maturer growth and superior
aruor who were wagng battle against the Goliath tina,
guarded the plored regions of natures secrets anu
,s, tn. r... I-rss after III" brn"t ut In" Dat
tie was over he to be tho leader OF the no''S VINO
once had been tending ouy few sheep In tho Wider
ne, November 1881 Far aday read before the Royal
Society his memorable paper On the Evolution OF Eec
rcity from Magnetism illustrated by drawings OF the
,pparatus In which Figure Is the compound r" SPOOL,
discovered by Henry 1928 and which he used In max
ing tho discovery In that same year. and IN the same
few weeks, Faraday first, and Henry after hh' ihio
nepdently made the discovery OF overwhelmingly,
tho greatest xperinenta result ever oDalhci py IN
inyestigator Ia the opinion of ryndal Among those
tres which were strung the campus In 1882 was
orc used for magnetic telegraph between the PROBES
sors home aud his laboratory In the Phlosophio Han
and TINT telegraph line was the first IN the woru winch
,ho lyonlc circuit was completed through the earth
am. and o the single wire circuit terminating In the wen
M the house and the other In the earth nj tho Hal" Inc
~, magnetic engine for generating power was
| made By Henry ut Albany In 1891
perhap. the highest praise that be bestowed upon
any man. is to say that no Is just equal to all the
an,es which may DO imposed upon him, and
never above them that his reserves are not
| lied into action until the emergency requires
| them Such men are the great benefactors
| of mankind. Such man was tho secretary Oh inc
suithsonan Institution. The principles he laid down
,r the administration OF the noble gift of smihson re-
ourcd time for their development. and promised no
| ,o..,t brilliant results The foundations were to be
,d deem I'm the EARTH where the laborcr and his work
were scarcely to be seen by tho passerby NO popular
orplause would greet the achievement Tor years 10
come while popular clamor was ever ready TO cry out
.,ns, the waste OF time and money that produced no
m.,ant fruts The or clcar purpose and resoIute
us,ood guard over the work; and with just force
.,ouvb and no more, drove OF the assaiants TIL the
foundations all secure. the supersructure peguh'
and II was strong enough to stand alone.
when Barlow's demonstration was published In 1924,
| Henry had never seen IN eectro-m"R"o' nor "'o" ="
e,permsnt In electricity. When, however two years
.r e took up the subject and began the first sol OF
rcnIar scientnc Investigations ever attempted In the
United States he deduccd from Amperes law the prln
chile tnat the votao currents. revolving around the
iron core OF the clectromagne should move In planes
t right angles the axis OF that coro-whch they co"
MOI do II the itself were insulated, as IN stnrseon'
| ,,acnet having only coil OF naked wire wound
splrnlly around IT, necessarily leaving open spaces be
tween The successive sprs and so leading tho current
uke a corsscrew around the core lie also reasoned
that ms the current must BIO led through spiral cir