, 1879-04-08
He Declares that Edison Has Ut.
; terly Failed In His Experi-
, n1ents.
Ths Sawyer Lamp, though Making verI Little
GragrsM, Holds Out Some Promise
ef Suttess.
What. Fuller Hnd Aocomplished---Hia
Death at the Very Hour Of His
Anticipated Triumph.

'"' -. ,,,.ha H..
oss enn. ~ a coi,c ,ro rIrcs IN .,a,o
Of partial Ineandesccncc With sixteri,-forsc
nownr stpam.onrtne. Thu object uf this cx-
.,a.,n,.nt ,r.z ~ a.ccrtaIn t,,c nnmhcr of coi1s
ps'!.'9't "ao ~ ""'. aesS .As es ~. =, 49,.
ruen .ouiu W o1ousas 49,. 49, a.1,,,a,. 80 ~, ~
RFen e.teu'.' ~ up'u sn.1 .Hl's."" 1',, t.
Mrt Ed1aon oaeea ms claim tt'at nc eouiu NAM.
tain 10000 lights burning from ono ELECTRICAL
station With GQC-horse power engine. The con-
rtra,on waa fn1tartous onc. M Air. Edison now
susIoa "rs 1n".,a,'.s. - haa.oS ~ a snn
kno"s' I!a''ntau' "'"o' Nv "."'.u w .'.oo
degTecs before IL attalns Tile lhto''s'ty ol III.
caudcscenco which IA required for lltnnina-
tIon. and when the metal Is as hot rs that it IL
49,. -, ~. r,rc. ~ ,,o,t,nr n ,,revant
Inc lamp llom u'e4th's' th's Hfe1toF nhs
used regulator consisting OF bar ot metal
through which the current flowed, which, wllcn
thr c,,5rcnt hecame tho strong. exna,,leJ nnl
-.,..,..s ~ ...s. ~ ~. ,,,s-,,t wi ,hu,
s"tcueu VI p".t VI 'no sI'ieus' .'.1 s."o
saved tho lamp. In practice the regulator mas
failed to perform the Bcrylco required OF It..
When Tho current becones too strong, the
p'asa 4n ~ ....s.s :. .,a ,,n.,..o a. xarr,,.
eye, anu the miseh'e! Is lone oc!oFo uiu leeu'
later can act. I'le inventor bclieFeu 1hat no
could overcome this practical difficulty,
,nt1r TIE 1sAs NOR succEEprp,
III, ,o,,ra hove continno],v meltcd md bc hoe
Als la'aI's h"'e eon'iuna4'y lnctsea aaa i'o Aas
pCcn unaDle 10 Keep tntW lSoul uoln5 sot anu
tho result is that there Is great d!sourngcmcnt
sni,, rorrtoo, ant ~ Ed,.ou,a a,yrccn onn1i.
eu'.y. sou'tson oas =. 49,. .w.a,." S.s" ,,".. "pp
cauone LOT pate". ~ tt,e washington iale"t-
Office have been rejected. Tlls irupulstyo mnu
new a,,,,,ect M rxnertmcnt. md n11o,Fcd him
..,.. h'1,s.,s ~. ~. a.,x ,ra,. ~ ,..,., A.
sslt " pei'e'e I'M ~ ~" MY " A's,ho ','e
light uBeful which others liad never thought
rf> hut t1ntb In ronrT Tr1 ~
hc f1,.cnrcrcd tha+ VERT rrnrlv every idcn which
~ ~ .r,hr>.,,o. 4, ito nn,,ts,t,nn. nn1 o,,,or
~ u"o sa' ~ a.. A. s ~. a.,a. IT,, .sa
becn covered hY the patcnts OIL otncs 1hVchtoss
or was not patcntablo at NIL. This Information
IA obtained from The Patent. Ollicc, anu Is ono
exclamation Of the t1tscourarencnt which rcrus
Mt Menlo Park. 1hcrn fSno doubt Tint tile
Tai.or ,inht .rtn11 In a a,1fvt,t III, ,osorroo nv
ns ooo ,,..,,,1t. :. s';1 ~ ~
the illumination VI oMell'hEs u IL coulu po w.
pended upon. 1t Hoods q room as though with
golden sunlJght,-purc, brilliant, ard mellow.
INT the inventor has never vet hcen nl,Ie tn rcg.
.,a. ~. a,,.soa, so ~ ~ inv ,1. ,a.ns,s t,s.,
a1a'e n'S cu'le1 10 as ~ heop n,s 'u',ps oursi-
Ing for any length OF time, aid 1lr las never
venturcd On single putlic exhibition OF It.
The public havc never seen 90 murl rs ono at
bis lights yet. 4 favored low who hayo BEEN
peheld tn single iamp iuc,oecd in a
plasH Globe. beautiful as Tic lcht Of tl,u morn
n. star. Hut be Inns refused to let any ono In
Epcct It clGse1y, Inl Inns never allowed The GX-
hiIlt{un Of IL privately to last long, lie Inns
nnvrr heet mia 10 ilcncna nnon its ilurnhtI;iv
lila nnnnrntus Ia ns fnr frutu mrIecilu,l ns IL
eycr woS. n1,i1. in faut. wej.iniprmcd elcrtrI-
cians in New York d. not now believe that III,
Edison ia eycn On tic rfyht jine of experimcIlt.
1,,r,, nrvrpvrn, ,ro r,,n s.,y,zu ,o,rr
49, "N1 1"A"e. ~ 'n' ." ',., a., A,'"A
very lssie progress mas been mntie witll that III
ventlou sisies; bue 1t mny oc halu OK t'1at laiup
llfat u Eas not yes proved lallIFe nna tl,al IL
docs Bill! hoH otlt eone pfoihise OF success.
Mr; ha%yer Is cnueayofll's t to perfect p'an ior
maintaining slender crayon o. carbon II
state Of lntepss int1nscsconcc ~ glass clobe
containing pure nitrogen. Ills light IL extreme
~ beautiful. 1t ilhs ahout tlio power Of I've
gag.burncrs, and oau bo turned @ up at''l down cx-
actly Us Gus can BIZ. The difficulties which he
expcric1lccs are the Eett!lG rld of eyery trace
OF oxygen within Ills glass gobes aud tho
rapid removal ot tho lIeat KGMerateI within tho
globe by the lnrAnucscnnt tnrbt'n. II slit heat
Is not carried on N tomo il'nnner, the tc'npera.
ture Of the Nitrogen riscs ~ high tint tic Elasa
g1pbo Is liable to crack in uraught of Atr Or In
cooling wien thu light Is cxtlnEutslcu. Ihc
cracking OF tie l.lass may bo dangerous to pCo-
pic In tue room, and II It Is nut II permits tic
uAsseu ~ cuIeT' Nnu HNhy Eues l'e caroot1 lsl