The Ripley advertiser. [volume] (Ripley, Miss.) 1843-1897, 1846-07-11

published in London, and which is devo,ed +,
scientific progress and discovery, and the IL ad
ing article OF the last number is on The subiec
OF TINS new discovery. The Journal pives IN
specification at length, with an illustrative cp,
and aPpends the following remarks + Gin. He,
q "The application of electricity to the nur
= Poses OF Illumination must rank az one of III,
s'ea' dcnteVements Of the age. TIE expert
If llents OF Sir Humphrey Davy showed that III,
IT must intense light could be produced by III,
b passage OF an electrical current across an lDier
val between two charcoal points; but from In,
'hpossiDliity oil making II continuous, il was q
i W P'ac'ieai Use. Ii Is remarkable that, altbo
we suuJec' mas engaged The attention of scleD
''io men ron mat time to The present, then
eApe' 'heh's nave 6een made on the same prin.
oP'o-,ha' Vi the discharge from one point or
po'e W Tue other, called by electricians The dis.
IiuP,Ne uischarge They have tried poles for
med OF different substances, worked iben ;n' =
lcy'lnders, disks and other shapes. and enclosad
them IN vacuum, but without success. as Tho
Fa'ucieS are invariably torn off and dlssina,ed
by the intense heat generated, and noperfn;
force exeried, at the point OF discharge. Public
experiments upon this principle have been made
on the Place La Concrde, Paris. and tho 20
Suits though highly satisfactory as the nower
OF the light, did not prove that it could be sus
tanned Tor any useful length of time.
"lhe various suggestions which have, from
'ihe 10 tlme appeared, as to the application of
electro light to different purposes, have e, ident.
~ originated with those unacquainted with the
great obstacle to IFS practical use. The d fiji
curly Is entirely overcome by the novel and i'm
poftan' Invention OF Mr.. John w. Starr. patep.
ted by Mr.. King. 1t will be perceived, from an
examination OF the specification. tia, Mr.. Starr
aVaiis himself oil an entirely different principle
rom that hitherto employed. THIS principle is
'he 'gnl'on OF continuous Conductor, SO ar,
ranged, thai an extended surface is presented,
glowing with the most brilliant light. BY this
means the quantity of light may be increased,
WITHOUT aH1Ltlng Its constancy-a result, the
very opposite TO that which is obtained BIZ the
disrup,ve discharge; as the destruction OF char.
COAL or other material, goes on with correspon.
ding rapidly, as The Ugh. is enlarged.
"Among the novel results obtained. il the We
~ curious and important one which the inven
Tor has repeatedly demonstrated by accurate
Dh0tometnc measurement--that the light is as
he square of,he intensity of the current from
battery OF given number of cels produces
lght equal to twenty candles "tSIhis law will
worked on an extensive scale. With regard to |
ne source OF electricity, although the voltaic l.
artery may be used, the magnet is on many
seoGats TO be preferred; ard THO result o, q
feat number of expensive experiments has :,
hoWn that, except IN a portable apparatus, :
'hich is to be used for submarine lightning land +
'r The exploration of dangerous mines, the
lagnetic battery, from its simplicity, constancy
nd economy, requiring only small amount of
lechancal power 10 keep II at work, is greatly y
iperlor. OF the advantages Of this mode Of =
CHUNG, 1t is hardly necessary to c *. The :,
atety, cleanliness, s0d brilanCy -. electric l.
ght, combine to make it superior to every 9TH e
r artificial light" l.
We have also Birmingham papers, containing =
ne proceedings of the Literary and Phoso =
hical Institution Of that city on the llh ul,., .
ON which We take the following: u u
"Mr G. Shaw briefly addressed the audi. fir
nee upon the nature of volcanic electricity, Itf
hch he illustrated by a number of exceeding. ms
beautiful experiments, and concluded by c;
ghibting Iol the new electric LIGHT in
enled by Mr.. Stas. mJin
sBton furnished the mean {, ctri
~ 10 the illumination OF bun. &c, and
lat the permanen! magnet would be employed
the source OF electricity, which reduces the
ipense TO the small amount of mechanical ou
,wer required to keep the armatures 10 rota. a q
On The steadiness and bri!liaEcy of the light II.
ere greatly admired by those present, as was "
'idenced by the warm applause with which it
as received and as this was, as we learn, the or
st occasion of it's public. exhibition, ii has at. 10
acted attention. te
These extracts are an honorable tribute to -
pretending but courageous genius, and, as in,
other illustration OF the artistic mechanical ;oe
i'll of Cincinnati Will justify our indulgence in mr.
feeling of local pride. The invention which hi. hi.
ceives such high encomiums from sources so we
mpe,ent to judge-praise from the praised los
Is the slow result OF long and patient toll, but
in all its weary stages by the light OF youth SUI
hope; stead1r if not SO brilliant luslre as ~,
It which fuaiy was evolved as the consum. lid
ltion of skill and enterprise. We cannot re. m,
ess an expression of pleasure and gratu! alton. #