The Seattle post-intelligencer. [volume] (Seattle, Wash. Terr. [Wash.]) 1888-1914, 1897-01-03
METHODS OF REDUCTION.
Applying Cyanide Process. TO base
ores-Great Things Claimed for
New smclicr.

The success or mining IN this region de-
ponds largely on The adoption OF suitable
methods OF reducing the many varieties OF
base ores peculiar to Il. This TACT is
80 salf-evfdtnt 80 trained metaIlurgists
that they are generally turning their at
teueon towards solving the problems OF
titls nature which are continually coming
before shern. Former failures are mainly
duo 81 che rash assumption that when ores
carry free g0,4 AL tae assay vaiue in gold
g. free, and 90 the employment % unSl.Iled
men 20 manage stamp mills. Exper encs
proved IN every instance that free milling
Gre contains O large percentage Of sui
paurets wh3ch can only De saved by skill
"a min men and by the use % concern
ira tors. and tha& even then certain pro-
rort-on 81 the gold Is so fine as 20 float OF
with the water or escape With The taikugs.
This urohiem naturally led mining men
e. seek she Introduction ~ ths cyanide
process. both on account OF Ia capacity 20
save Almost all the ASSAY value and OF 80
che8pness "a compared With the stamp
u1il ard. cenc0utraUoF. The urst plant OF
tas klad -n th.s state was erected last
Ecar a. the Wyandotte nine on the Simii-
kameen river. ard s. IN successful opera
Gion II was constructed BY Or T. Lang
hammer. according IN "a process patented
hy himself He has dew oted ais attention
espec Sly 80 the saving ~ fire gold. and
Dr. accomplished by not allowing any
water 20 come in contact With che pu-ver-
sze3 rock. an1 has therefore devised pro-
cgse ~ drying S. by means OF not air. which
he applies aieo 20 goid-hearng sand..
Another cyanide plant has been built at
che EEeaegt miu. IN the Peshssrn can
lon IA trca{ Ehe talfirrs 81 the slime
table. - which about co tons bad a.
CtnsCt2tosi. asSaEinE from s. SO Ss3 s a.
peNFsnsp. OF this city. ts experl ruent.rg
ut Sauaw creek on the application o. ths
cyo0ee procR<s 20 she cres Of that dss-
ffict. ard Conterupistes she eracetIen %
an experimental plant for thst purpose
a number ~ investors have termed the.r
minds rcecuEiy - the pro&uct<on % a
caeap sEuester which can De transported
So seq ttors fhrcfEhou. the mountains ard
erccsed ar a fnioo for the resurs.on % the
ore 90 aase tfu,llon ou che ground
scheme ~ this kind IS peculiarly attrac-
eve ~ many professors % small cap.tai.
hut Tfsca snVea51oes are often made Nv
Turo ~ H-sln or no technical traisinE ara
uia ust stand tne test OF practical use on
8 barge sraie. one such Invention. wac
t1s eeea slotectc8 80 several tests a. Fhe
ilaAevte@ Ircn WagRs at Tacoma, has
oeen asreted bv e. N. Trspp - THAR c.ty.
~tfo a4s cr saasFl Faa Hydro Smelling
4 f>efznrE ConfAnr 90 manufacture a.
3'he f1fFe. al foAtarc - this sazefser a
tast steam C-ysss f.etra legrn srH air are
stPeFaeate1 fn separate cAawsAe~S wra
Cs1FgtliTs go .r tae fa~rsa~e. where a -
ciatned. y,e-at.t,~t5ea qrc.l,l-es a heat as
Intense 50 &5N degrees. ~ IN s7..9v a rst.
Urai draft Chaueaers ta .~ee.-et. -
rssrs arw Isacea or eArh 50. ~ -. T,--
cace ana she enses a0e termed fr e~.-,
teeus sftvr1atesv every tV~-sty -- a. ~
minutes. she heat nesnx ~se.. ss-.8 -, -
opera scr TIE a1vsrsaE.s "a -1at 49,
gsss przssess aFe chat ts s-.E -fas. a-- a.-s
% ore NttASu; auxtue og rtae..s.e tee.
80 Eases destroy al -zara-.,-rs sa $50. ,-~.
a. taat tae molten metals u-e sasss -s-.s
sr0-a t4e Tar& Ny gravity. tE#.e many
ssacgseal n.tG.re gsen tcck Ns.A sNr1.s-
c-era oa -0s c.a4u7S mads Far cess q-s.ess.
c b s@icr.e Is quote ~ sAe Ta-c-A
tr.er - Sse gnE 50 taYluE seen st 81 b.
So cd 60 q ave cears' r~sf. sd a. sss-snx
tH&t 4 rsaocss pasvNSEe1 rocS 90 back
sAE9 go s. la-Fad STATE n - sTsace q rgr1e
rarEHs fr1cs sxtFeu 20 AIRY minutes
II t1ss proves can Pc worked sszoeesxfssflr
ca sAe se@le 81 ws15-1 L wc-sld hs asesf "a
pr2ct.sai everyday wark ard Ehe ca ms
wsa1e a. &c tes cNsR ar ess - oaerS faaa
&NarHe 9sis. b EBAY eaEss. 1gaorsEa sNe ggtrsns
sr1Gestrv. css< practical srleaser ssea and
ses&yszs are uos yes pr~gSre4 - &4Eas
e snsss tsanEs