The New York herald. [volume] (New York [N.Y.]) 1840-1920, 1877-05-18
TIE SPEAKING TELEPHONE.

tho 9th OF June.
TIE SPEAKING TELEPHONE.
LECTURE by PROFESSOR A. GRAHAM BELL |
CURIOUS REsuLrs-MR CYRUS W. FIELD
coNvERsxss AUDIBLY WITH PARTIES IN NEW
BRUNSWICK. t,t
In accordance With tho announcement, ana IN ro- |
spouse 10 an Invitation from number OF prominent |
professional aud scientific gentlemen Professor a.
Graham Bell, oil the Boston University last evening in
lectures sound and electricity, showing the |
history and development OF electric tele
phony The audience, although not largo,
highly apprecianve, and embraced some OF
best known citizens, among whom may be men
toned the OF President Barnard, Of the Colum
bia College; Chancellor Howard Crosby, OF tho New
York University: General Eckcrt, Mr. William Or
tou. Cyrus W. Field, Professors Draper and Dorcums
a very iair proportion were ladies' These lectures
arc the result oil tho interest excited during tho
Centennial Exhibition by Tho telephone expert
Ilens and the success OF Professor Bell IN
convcrsing with persons miles away, through
n single and without tho ara Of n
battery rho machinery, II sucn 1t may DO called, was
OF the simplest kind imaginable, consisting OF Wire
two connecting tho Lail with office Of the Atlantic
and Pacific Telegraph Company IN New Brunswick
and oil three small boxes. Eyo by Twelve
long and WIDE Two OF these wcTe suspended in Tho
III distant points from The Stage and the
Stage itself. II through tho latter that communi-
cut.ol was had with parties IN New brunswick.
rilk LtcfuRi.
Tho lecture being somewhat Introductory in its char
actcr, more or less general statement OF ina
and VI The previous attempts TO communicate
made by Race, Wneatstonr Page, Gray and others to-
g.ther with nm explanation or their several devices
und The pccul.artes oil his own. An Interesting lea
ture OF the evening was tho presentation photo
graph cally OF the various telephone insru-
nens aud OF diagrams illps'rating tho peculiar
vibration OF certain phonetic sounds. IL would
require the reproduction OF these pictures here 10
ma~n this portion the lecture understood by The
reader The general underlying thought was TINT in
order TO pr.iuce sound by me problem, is
move the air IN the same way that u Is moved by
huin,n yolt.. though heretofore the cAoris made
have been not so much or the production OF speech
oil The vibrations Lcccssary 10 mako musical tones.
TnE ORIGIN or rIiE DISCOVERY.
The first person 10 discover that SOUND may be pro.
Salem, Who, while experimenting IN 1851, stumbled,
we're, apon the TACT aud published The result OF
his Researches under the curious caption Of "Gavanc
Muslc.' Continuing his iuvest gliUns lie found that
musical tones OF any pitch could he produced nom
around coil scicnt,Go men began TO follow his
example ana III Franco, England anu elsewhere many
new ELECTS added Entering this neld OF nvcsti-
gnlon he (lile lectuier), awaiting himself OF the
pei oil s predecessors, cnueavorcd 10 transmit
the SOUNDS OF the vocal chords How well he had sue
cccdci would be demonstrated before tho close OF
evening. IL was also discovered almost simultaneously
by those Investigators that more than one ,Iusical
could be TRANSMITTED at the same time and through
the game one Of these persons was himself
aud tn other Professor Elisha Gray, or Chicago; but
the tc.cphene The Inter lransn tied Only musical
tones, aud not the voice. Professor Bell lhch pro-
cecdcd describe his own Invention, auu 10 explain
how, IL simplicity and ompac, ness, II tho
puepose both 4 transni.tcf ana receiver. THO
principal was IN nat sncl. Vibrations OF air upon
an IRON plate act thence uion a magLet aud tho same
soun!s apparent that die produced by tho
oiier ddvces. Not Que but dozen tones may TO
transmitted simultaneously II one uitcis wort IN
tno vicinity OF TITO plato the articulation VIII
be distinct upon every otuer plato On the
circuit tho SUBJECT, however, was 20. IN It's nfncy.
A Vast hei OF nyesilSaton h"i beca op.ned, aud 10
could p Q lif where u would end
PRACTICAL ILLnsiRATioSa
Professor Bel proceeded ILLUSTRATE IN various
ways the character nnd possib oil his Invention
he occaaIon however, 10 cxplcss tie upprchen-
,ha, the experiments Of tho evening mi2n not DO
cnlncntiy sasuctory 10 in"smucb as mo
larger lc cphoLcs "th winch no int"n1cd ~ cDmuihs
cwith New bruns"ieS, distance thirts NO miles,
lad been accidentally Geia.nea somewhere between
Boston and new YORK, and he was consequently COM
pelied 10 rely on suamcnts wnich lac used Tor oniy
milo or 10. Inc result pev,iuc'css was ~ the nain
exceedingly gratifying NJ was a,teetcd ~ tho hearty
app huse Ia, iclowed nc ~ondermcnt OF tho uierce
Alter nouyin- New ErunAwick that he was IN
rcgaiGcss, tho lecturer called for music nom
an ordunfy parof organ which had been
moved 10 tho operaors once thcrcsor trc purposi.
Almost in.tiul tho soft, sweet chords 81 a
cnurc, loiy cuull DC heard rcsoun iag through tho
vast ha nrsi from lle stag. ouJ then the
lnuuu SUSPENDED lrol the gallery fAc elect was
wcrilIkc aud ghosiy, and thcrc was something AKIN
10 nervousness N inc solcmruy 81 inc ,huus, lint
those strains were being plsycd thirty miles
away
easy cuiscrsatoa between III. "rciofsor and ms dir
tant representative. a gong called Tor aud the !
audience mist havo caught the key as from prcscnt
rrccnor nid joined VITA bim ~ the chorus TO Hold
mr. crers " siLl, INTRODUCED
At this jnActurc iqoiossor ielI :isl,cd gcutlc
man present 70 proceed - the instrument and con
with New Brunswick
MIR. Field. VINO stun. on the platform, avaiiiLg
blinscf o. the opportunity, went forward ana some
tang IKE the ioio.sns incrvs" occurrci:-
Professor BgLLfMr Watson wanl 10 Introduce
you 10 Mr cyrus ". Field IL dcsics 10 ask you .
question or t~o.