New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1886-01-03
LITTLE BuLRS And H0RSEsH0E&
HOW TIE RAMClo, GLASS AND PLArlNCM OF
EIECIHC ;AMP, ARE PREPARED.


HOW TIE BAMBOO, GLASS AND PLATlNCM OF
FIrCGH.C .AMP, ARE PREPARED.
The incaudcSccnt electric light has become
familiar object to every one. Tho little ga,- bulbs
with their brilliant horseshoe OF glowing hl1mchi At
tract no more than the nekerng g1s J"t Bnt
the cs about the gaa jet are easily ana generally un-
,ers,ood while tic electric lamp II sll puzzle To
many pcoplc. Both produce hight by incaiiescence.
Tho molecules OF gas arc rendered ncaHGcscont by lie
heat generated by tho combustion of other molecules
T blue portion Of every hame is wnere c"nbu'-
ton taking place. and from Tia, con e. Ih' heat when
keeps the rest stat" OF iucandc'ccd'e win mo
electric lamp the heat produced By tGc friction OF
AN electric current compelled To through lin" car
ban dltmcut which raises that hRmeut 10 co"d'tloh
Of incan,e sccncc and produces hight
Tho three substances which enter into the composition
OF an electric lamp glass, platinum wire ANA bamboo
or paper Glass bulbs are readily prepared by inc usual
methods OF gassDlowins but the preparation OF tue
bamboo is n delicate piece OF work. In the beat lamps
tho little ho sashOe (, made OF bamboo and this material
has proved It's superiority to its rival paper In several
wy The bamboo from Japan IN handles oil slips
"A foot in length. japanese bamboo IS OF inner qu"h'y
than tho Chinese. II Is hrat split up into tic square
s,rps Girls round those oil Ivy running them through
dice un they look iks little broom sraw- These are
nut In crucibcs graphite and submitted to white
heat for several TINS carhonzcS them thoroughly
Tb, Gaments are ali OF exactly the same size when
taken ua the crIciDles AMI IL used III th1t STATE
would present varying resisanccs To the current ana
ihe lamps would not he even aud cconOmcI IN thclr
working To make them uniform they are put one by
one into glass jar from which the air can he exhausted
and hydrocs rDon gus-to lShcst OF the products OF
petrolcum-can DO admitted. current OF electricity
ia run through tho horseshoe hlament anu IL aOsoros
carbon from tho gas uut tho operator secs that It's re-
si.amce has been reduced u tho regulation amount
The standard used In the factory from which this do
scription was Obtained Ia 300 ohms The moment when
haar hes desired
meals OF au apparFtu, familiar 10 eiectrIclahs-
Nav Inc amp Is la three parts tho bulb the carbon
nlamept, and tho stopper containing tao TWO platinum
wires winch are 10 horseshoe "a carbon win
tho ry-tem that carries the current all over
building to the hundreds OF lamps. IL ony remains 10
put the stopper In IFS place ~ Inc larger emu Oh hc PER
shaped gas, bulb so II arti2ht Ia the ane OF dow
pipe. extract tho AIR from lhe OuiO ny mocuiS p"mp
aat then seal tho other end. The ~ 10 10 made or lne
hinnest glass aud before the air In exnausci from VIII
break easily. Amer tina vacuum Is created. however.
IL can Do handled carclssy without INJURY ana "hoh IL
does break there is report Ae that OF dozen pop
guns ann hama.
manufacture they fall short or expectations
Tne competitive trial recently made at the Franklin In
kttuts OF the lamps OF various companies IuIhtDeu
seTeral vUful examples OF this truth. Wen MADE
lamp Will Last that igth OF time. however III oi nu
workmanship air allowed to ioak IN, the carbon Ddrhs
ont quickly II 1t II run at too hlgh - ~
too snch Is sent through H. the iotiou woa.'
out the little horseshoe IN shorter tllo dn ~ ,,
ft ~ he necessity for practically apsoIuto va
that require, tho employment OF the patnunn ns,d.
ING wires Platinum ID the only inotnl when ehPs rs
and with neat al tue same a.
kreps Tho Joint, where the wires pass through TUG us
al ava tgbt that air tnior Ihorc ID IoIt
une in store for the inventor who can got up sono
al ths Same admit this use OF cheap copper iustv
OF costly platinum wIIe' Ins pro9"n usJ 10 10
St is lis iaiaacy though not most vigorous stage Oh
Infancy