, 1879-07-03
EDlS0N'S NEW TELEPH ONE.
An Exhibition OF thu Motorraph whlch Can
Talk Out Loudly.

An Exhibition OF thu photograph wt,lch Can
Talk Out Loudly.
Mas Iark 1porid. JtlR1.
Tho wonderful Edison rscetycd party yeatcr-
day. That ia, be opcuad the doors Of his work.
shop to Il number OF ladies anil gentlemen. and
then secluded himself, leaving his assistants 10
fulfill tho part of hosts. 1t might be supposed
tlat Edison Is bashful; but tho truth Is be Is
not ovsrp'eaeed to. have people ask him oil
sorts Of questions, although he fs always ready
to enter iuto single combat with my scientific
person. HoWcYcr, Mr.. T.. II. Johnson, who Ii
Interested In Edlsou's phonograpn and tcle-
phone or electric photograph. did tho duty OF
host very acceptably, aud was the moro
anxious to explain all thu mysteries OF
the laboratory, i,,nsmuch Is he sails for
Europe to-day on the Wisconsin, OF the 3u!on
llns, With fifty OF The telephones, Witch arc to
be set up In London. ln illustrating tho vulue
of Edisun's Telephone, MIR. johnson callod to
Mr. Datchelor, EdIsnu'a chicf ussIstant, who was
stationed ut tho otier eud OF the wire, 100 feet
or moro nway anil up-stars, through d Bell
telephone, all asked l.iu. TO make speech.
1llere was a clicking Of wire aud then the dir
tant votco-lt 1eeInel a lhile dlstant-.ot Mr..
Batrhelur could bu heard rceittnx somethlnk
about MurY nud lsn.b. Soms of the lallcs
could not distinguish the worls without putting
their ezra close to tho instrument, and all
agreed With Nit. johnson that the sound scanned
to reuch them ls0Hl avcr 10 far away. 'Tlle tar
bon tran!nltter was then tried, with Balls re-
celvcr. BY placing q funnel ovrr tho recslver,
What Mr. lsatcEesOr bad to say wss distinctly
audible. Mt: johnson then explained thet tho
receiver used by Mr. Edison was operated with
out magnetism. For the Bell receiver
had been substituted tho clectric-nloto-
like pataut house. coifes.m,l. They nro Of
iron with biz. round, gaping mouth Ia the
eentte and small funnel apparently running
mouth.piess and what seemed 70 b. mouth tho
receiver, The latter was covered with is!uglaas,
a,Hl from tho centre Of It PROJECTED an a!ghth
Of an inch above the glaas d metallic kuoh llle
sizo Of . pea. There |. crank It the right Of
thu Inatrument, by which a.Ry BE- turned an In
aide cylinder Ut cl!a:k ua,uponed with solution
of ca0atlc aosla to mako l!e chalk good con.
ductor. *ro tle transmtttln. wIro s attached .
ts turned. Unleas thu crank Nss turned q mun
1t tho Transmitting cnl might talk all daY With
no one oa!ng tile wiser for T. .The man and
crank beginning to Operate simultaneously, tho
sane as tlla. IN phonoeruph, ana one lnaY caa-
yerse With hta friend III in ordinary tone, Mr.
Johnton said, from u d!stanes Of htty feet 10
Nifty n'tlra; In tact. i anutlllated distance.
After expertmentinE for few moments With
groups m 10 cuabis sr johnsoi to Eus:Gsts 'sS tho
workings Of ,'!e ,",Es:xsha9nEe." BY which sub.
EcrtDete to EAla0h'a leIsphonc Association HluY
hays separate WiEea connecting with any ottsr
on IN tnstant's notice u tho crttral ol1Ice.
After the charms Of tho telephone were OK
haustcA the vistora were taken 10 the electric
lamp laboratory, whcrs Edison va. ioupd. liz
said he had just found cut AaM TO welG}, power,
by new dy..au,unIcter, on FAIRBANKS acales.
The mode was to run MI tlght.lnch belt oYos a
Triangular course, tho laycrteA a}er being st.
tncsd by u pulley 10 100 pound eight Of, The
srulea. This pressure was determined neRa-
ilyco by tile re,iof which tho weight got u tho
belt whrled through the pulley.