The New York herald., 1878-09-24
PROFESSOR EDISON.

VISIT TO HIS LABORATORY RECENT INvEN-
TIoNs-THE voLrAMETEE, ELECTRIC LIGAr
AND OTHER WONDERS.
The latest ma-ves OF science IRON tho brain o. the
young man OF Msnlo Park are the rejecting vol
tameicr, tho mirror thermometer, the sef-resononI
tuning and device not yet advanced TO tho dig
nny OF name for ''storirg up daylight" This
latter wonder cimo into heng only few
days ago. but already has exhibited
such Iusty signs OF vitality that It's
continued existence ami rapid growth arc we'll nigh
assured. Besides bringing out tho above named Mr.
Edison has continued hard at work on his electric
light nvcnton, at the same tms rot nsglecting in
the midst OF his labors occasionally devote stten.
ton the progress OF his assistants on the mega.
phone and aurophoue.
HERALD reporter called at the laboratory In MEMO
Park yesterday aud found the great inventor deep In
his labors. He at,irsd in suit OF navy bluo and
looked like u sailor. His hands were grimsd with
soo his lace rapidly approaching a ike condition and
hts hair a standing defiance TO BARRIERS
THE VISITORS.
The inventor had Only Just resumed work after .
waste o. an nour avalanche of visitors consist.
ing OF personal friends, sclcna, and sghtscers.
who were content with nothing less 'han The inventor
In person TO show them tho latest wonders Of Inc
ueor.osy, S - .eyos c. mna ,b saa wri,er mr. nals.
this rush OF visitors soon ends Mr. Edison will have
Lately hc hasn't been able 70 get hn
hour OF work from morning until night. They come
In hoidcs and take up nearly all his time
'Wny dom you tell them that the Professor 10 too
busy TO See tnem7' sucses, ed The reporter.
"Because he's too good-natursd Tor that; he hates
TO turn them away, and. besides he majority aH
persons to whom he cannot well deny himsolf-iot
instance scientific men and old personal friends ans
persons business. But even they are gctiug "a
thick that weIi have to do something. Why, the
other night Mr.. Edison compelled TO work until
nearly daylgh. because he had been SO much inter.
rupted daring tho day.
.'Do you admit all who come2" ssksd The reporter
ION, yes; after fashion," anwered the secretary.
who insists ng Mr. Edison we turn bim 70
ouo OF the workmen who shows MIN the engine, the
lathes, phonogfaph ana toephore aud Their
Tho words of tha inventors secretary were verified.
.'ihere's another batch coming over tho hill" Tns
reporter looked, ana, sure enough party OF eignt
were seen making their way toward the laboratory.
Before the arrival of the new comcrs the reporter
succeeded in getting the attention OF Mr.. Edison.
To the inaviry Tor late inven ons The Professor re.
Piled that had lately been very much occupied with
the electric lignt and had hardly time 10 attcnd
tioning, however tho Inventor admitted that he had
go,ien up low ''ttle things" Upon being urged "a
show them he went to n case and took down couple
oi curiously shaped instruments.
MIRROR THERMOMETER.
'This one" sud ne, placing the smallest on table
terday IL records on a scale by means Of q small
mirror tho heat Of your body. Touch 1t with your
hand"
The reporter complied, instantly the little MIR.
r0r detected to the left.
OF th,s glass tube, explained the inventor, its
cred by small diaphragm to when Is attached this
arr In the tube to move the diaphragm and the pin
oonse eQuently moves the tIny mirror whicn throws
ray OF light on the graduated scale. p"
THE HEFLgcrISG voLrAMETERs.
"And what Is this" asked Inc reporter touching
the second instrument which the Professor stil held
''Oh. m's a little rcasctins voltameter." answered
.hy inventor, handing IL up for inspection. "rhe
principal Is somewhat like the other. Through this
place pass current oil electricity. II decomp poses
the water insidc and tho decomposition creates =
pressure on the diaphragm which 10 turn, BY means
OF tho little needle attached deters the mirror ana
thus measures the in'onsty OF ,ne current"
''But what is II good orY" asked the reporter,
am,nisg the strange apparatus from n sides,
1t docs me work OF gaIvanometer IL might, per-
baps be called chemical RaIvan ometel. II measures
tho intensity OF the current simple and iusx-
pensive way you see.
now DAYLIGHT UP
''Then tncre Is nothing moro that's exoeediugiy
new. eh, M Eaisooi" s.id the reporter closing ne
is,sss % sSv.o.,ons @ Of .ns lauorn,sry. ~
ION, yes, there is" said tho inventor, brshtsoinC
up as Il . happy idea had Just como TO hin. 'Yss
there is--comc. Gene ny stairs. I'll show yosl
something good" The writer followed, ana thsip
veotor was soon At case o. ehem,cAs.
"From these four walls, no said, pointing 10 fou
smau onss placed apart from the others, al hsvl
madc solution that preserves light triod IL sssur
day and got nrst rate results saturut papes
with the solution and then exposed tho papor
sun. The same night tie paper gave out light Tor
idsa, Mr. Edison FASTENED 10 aad. "A ssif.iumioous
paper has made before what hopes os
!
light Tor several hours alter dark. l nno that the
chemicals use produce excellent results"
"ln what way can the nveatou be utilizrdY' asked
the reporter.
"wei, say for wall papcr,'' replied tho iavsutor
"Durng the day u will treasure up tho light and at
night the room viii DO nghted tor several hours after
dark. In lew days hope 10 have better results.
Then will explain II more at length.
A sELp-REsoSANr TUNING PORK.
As tho reporter turned to leave noticed the
slits It's sides "What Is It ~ asked the
inventor. - now tuning fork, answered Mr.. Edt-
sons assistant, going toward H. This Invention. 10
the present style OF tuaing iosks from which
sirous TO oDtsln a loud pch. Mr. Edison has simply
chsnged the form, and by q clever aevico The
apparatus resonator. Several scientific mcu
VINO have examined II have admired it very much,
ana pronounced II much superior In many ways 10
tho style at present n vogue.
fIGrr
Tho great feature o the laboratory, however, al
the present time is Mr. Eisons new invention fes
subdividng she electric light His experiments
thus far have proved II TO DO entre svccesa The
scenusts who nave seen IL pronounce II wonderful,
and predict That Will dispiace 10 u large extent tue
oil gus. fhe Professor's invention reduces the
electric light to the brightness OF single gas jet
and transmits Il through wires IRON u central rag
neiocectric machine all over the city ~ expense
less than tnat OF Mr.. Edison, ordinarily
very calm about ms great Inventions, Is on this
usually ent thusiastc Ho believes that the problem
of electricity Tor the purposes of light has ~ ast
been solved.