The sun. [volume] (New York [N.Y.]) 1833-1916, 1878-10-18
ELECTRIC AND GAS LIGHT.
THE dTdTLdBTLf1r or THE MN H.
LTMINIIOR AND IT'S COST.

,,,i-Ilrctrtc I.igat In PnrIs-1hc Forum
tion NJ the Edison Electric Light Company.
The sessions oi the American Gas Light
Manufacturers Association yesterday were nj
most entirely taken ny with tho discussion Of
matters OF detail connected with tho processes
NJ sas production. Much OF tho forenoon was
devoted 10 consideration u tho paper road tho
preyious afternoon 10y Mr.. Chambers Of Tren
ton \. j., on the subject O; using petroleum to
make gas In reply to his adverse view Of tho
,ayisohili'y Of employment Of that material
Mr. Pearson Of Toronto Canada said that he
bcd soon petroleum uorcssiGlly used In Kings.
Ton and Brochvillc Canada. In Baltimore. Md.
and Harrisburg Pa, with tho result Of do
,sruninine him to Try its use In his own works.
believing ns he did that il would give MS good
gas az coal md at less cost
Mr. Nettcton Of Connecticut read paper
uton the subject u selling gas which was lis
,onel 10 with much interest. Ho said that the
revenues OF his company ut Derby. Conn, had
been materially IN rcused by the Introduction
Of gas stoves for cooking purposes. and by its
uss in manufactures where only small guam
tity OF heat was necessary for soldering and
o,her light purposes. and also by the use ~ gas
engines where only a small amount Of bower
was required. He believed that II the managers
Of gas companies would turn their attention
and energies 90 he encouragement OF such uses
OF gas. there would soon be avery largo increase
In the amount 81 ras consumed In tho case II
his own COMPANY. although the Wallace appa-
ratus for production Of the electric light was
made In their town and had been introduced in
two or three places there. with more or less
success. tho increase Of gas consumption in
the why's indicated had been such that no in
jury had been felt from the encroachmcnts Of
tho now light
MAJOR q. W. Dresser exhibited Jablochkofr
electric candle aud the slender form OF two thin
pencils Of carbon about ton inches long with
the kaolin partition between Thorn. was handed
around among the members and examined with
great deal o. curious interest. H. told briefly
the results oihis observation OF the electric light
in Paris during the pust summer. In his pres
entation of facts con 'erulns the use III the
candle exhibited, md also another style ot ap-
paratus. in which a regulator Is employed to
keep ths carbon points at proper distance from
each other. b" said; In both systems the eicc-
trrity Is derived from some form OF magncto-
electric machines. which are driven by power
p, ppys,y nigh raSf 81 spssd; Thf newer use!
required Is estimated hy different electricians
70 10 from, one to n.y. or siA horse power per
lamp: but Do not think that an average OF two
anl one-hali 10 three horse power per lamp
far from the incis
In some instances gns engines nre used
and II was stated that u much more uniform
speed vas otIained from this motor than from
consists Of two rods or needles II carbSn
placed side by side. and kept nsundcr. or insu-
latod from each other. by layer OF plaster II
Paris. or "A mixture Of plaster and kaon. The
cArbone ara made from retori carbon. ground
fne and then pressed together. some cementinG
about one-cighth inch in diameter nni ten
inches long. and are firmly hNed into meial
sockets, 20 which Tie wires are led, and the
connection WITH the machine Is made. When
pew, the tops Of the two sticks only are joined
One Of these viii ordinarily burn from an
hour and q quarter to an hour and q
hall The PROPORTIONS adopted arc tho,o
which experience hns shown To- be the best
Four ~ these are usually NXed on o stand and
placed WITHIN large opa! glass globe. about
TOP 81 iamp post yhtcb IL cnnsderably bi. b ,,p
than those commonly used here. Is ono Of
these candles burns, down. the current is
consumed. SO that. at the outside. the street
lamps would continue burning SIX hours when
the set oil four candles has 70 be replaced by
AS matter OF fact, the various street light.
OF this system were lighted about or @. and
were all cxtingpished by 2 at night. when the
Gas lights were lighted and continued 10 BURN
w morning, Three st"am engines AMI on" gns
engine furnish the power for the lights IN the
Avenue de lOpcrn and NJ tho OrnrG"rio, two
thrty-ive horse power engines IRE running SIX
electric machines for the icht there. II can bo
seen from this that larg' tom Of 'Np"nse
you'd arise from tho 9i'endun'e r"pu!red
ondiy. TO shit the currents from ons 10 another
candle as It burned down.
The price II each candle WAS go confines or
IL cents. II each Of these averaged t" burn for
an hour and a quarter. the cost per hour oi
the candle alone. without charge for Interest on
machinery. &c. or cost Of the necessary attend.
snce, would DO 3.5 cents each. IN thr Avenue
De FQpera the electric Lights, when burning.
take the place OF about ten gRs lamps. and thes'
gas lamps are much nearer together than IN
AT the present timo INC sirostlamps in New
York. below Thiry-fourth street. are lighted for
$l2 per annum, including all charges for 'lcan-
ing, painting, &c. or AZ the rate u about 81 per
1000 cubic feet Of gas furnished The lamps are
10 burn three feet per hour; ten Of them would
consume thirty feet per hour and the cost tor
the gas. care &c. OF the ten lamps would DO thrrr
cents per hour, or about one-third Of the price
az the Jahlochkof candle alone rs used in the
Avenue dc lOpera in Paris
was Informed tnnt the estimated cost per
was francs aud 81 confines, which would be
be equal 10 aoout IS cents currency 1850
ltls argued THAI while II costs more, there is
much moro light furnished; but this gives rise
a. the very lmpOrlHnt question as 10 how much
OF this additional light is useful light. leaving
out Of the account The character q it,"
trlclty would come in conflict tor general use.
but said: The two lights may assist each
other; and. doubtless. one result OF the eJperi-
men,s in electric lighting. in streets and publi,
squares. may he % cause the people 10 demand
more light aud better. and that can most casll )
and cheapy be obtained 10y Increasing the
$40 Of the burners. improving the chnra d'er of
them and increasing the number q the lamp
posts. perfectly reliable. weil-d!i.used ligat
is the best police any city can have. The cleo
trlc lishi rs used in the streets OF Paris. is not
h..l4 u lENt
Tho certificate Of Incorporation OF the" Edi-
son Electric Light Company" was fled yester-
day IN the County Clerks Office. The object Of
tne company il set forth TO be. 10 produce light,
heat AMI power by electricity. Its capital
SioGk IL $4,000. Tue inrorporators are Tracy
I Lisqn. james II. Banker. Noryin Green.
hosen l. Cutting, JE:. .Grosyepor P. I9wrcy.
bo3Tsr NJ galloway, Egisto I, Fabbri; George
n; hent, George ". Soren, Charles +. stone.
NW IT, Miller Thomas A. Edison and George
Prot. Morton. in the Stevens Institute Hobo
ken last even lng conducted u series OF expert
lhehts illustrative OF the electric light and made
ISInhfHs th"reupon in pressnce OF the members
OF me American GHsight Association and
3'hc!s The Professor displayed the electric
i!sit nrsl from the camera upon the screen, in
ptler mat the process 81 combustion Of the car
b9n points and the consequent wondrous play
OF coOr might be clearly seen. As II
appeared go tho spe 'tatOrs. there were
lwo masses Of light ono above the other.
I"e lower was pointed anI seemed a
H"Nhy and eorruscnting mass at intense white
u"d'. 4 Atue way above II Was Il moro blunt y
pointed concentration % light. which did not
gov with even ieryor, but across and around
NAlrh tAe brilliant colorless light constantly
prayed. Betwcfn those points was space Of
lnt"L-"st lue, through which dar'ed momentA-
nv merry rays. To and !rO across tho field of
VISION flashed nni shlmmered shects Of light
Tx" the heat lightning ~ summer in thor
l'+'.N, lut much more NiNil than That ana