The Delta independent., 1899-11-17
ORE REDUCING MACHINERY.
Trsas Bsa.g la.As .. DssssAag E0ssaa'

u8B OON0ffe0 tLe U1iDO8 On men ever
since II was known that gold and silver
were infinitely combined in . hard mat
rix. but II ID only within the past nifty
been achieved by way OF successful
designs, and here II In safe to say that
more advancement has been made In
the pest airy years than In the preced-
ing 46OO.
stamps were used nfty OF more years
ago. bot the staimps of the past were
crude, cumhefsoWe and really unme-
chapical ~ compared with those OF
the prevent day. Gradually. and n. the
Americans be1nn 10 handle them. they
evolved Into 3 more elective machine.
and to-day tie scamp halter Of the min
ing woria b % ualiks the battery Of
nifty pears 40 = II u possible to con-
ceive, and to CAlifoenians largely be-
lonss thr credit of this great advance
AZ time passes progress In all things
comes with II. Time has perfected the
stamp battery to such degree that II
ssenn nothing more can he added
With all this has CONF sls0 advance
meat In metallurxy-the manipulation
ana extraction OF the precious metals.
With the stamp battery and Its ac-
conipsuying machinery for the extrnc-
iion OF the precious metals not over ti5
Iser cent. On the average. has been the
yieSA. Whi1s with the advance OF the
solusleo peocesses from - per cent. to
36 pr cent. under suitable c,nditions.
Is a. readIly nnd more economically OBJ
tainea. The stamp tatte-y performs
It's esushiag part completely. where
simply crushing " required. yet for
the solution syae0 II produces too
much slimy material. which iucreass.n
sA,.. .wss.ns~ 49, tom ~ n ffnf q
well a. reduction. what is demanded
for gold and silver ores. and more e~-
pecinlly gold. In n plant that produces
= uuiform product. free from shines.
and By which . morv' perfect and
speedy precolntiou can he had.
In the effort to gain this higher per
centagr obtainable by solution profers-
~ new and erouomicsl questions arise.
which trgin to show that ~ . proeita-
HE machine the stamp battery has
reached its eliminating point Of use
fulnesa for osrs containinG gold and
silver. and especially for Eold. and that
q new method Of reduction must he
adopted for economically calming the
high peecenfngr obtainabl~ which all
up-to-dase mill men know can hr had.
The progresa of the times In metal.
lurgy demands that NJ least 30 PER cent.
of the gold valuss aud ~ PR cent. II
mt - pr cent Of the silver values
should h. extracted on an economical
lsaaia. and this etlicf In rslegnting the
stamp battery for ors~ Of the precious
me;aln 10 the past. and ugs0u the simple
prurnaisioa that II is inapplicable to the
s-ronomical working of advanced solu.
fion systems. TO say nothing of tbe
cheapeuing of machinery and exprnse
of redpctioa By this method.
The cynnide processe~. of whIch the
NacArthur-E EogTesa y the original arr
The s1vanee 49, - aDetoourHy - to
uressst pssind. and , gsret sdvssce Il
trartisa of Ruld ~ even twenty ycaF1
aeo.
The Queseisn shss calls for con-
siderntton b thr change Of machinery
for the e1trart1Da ~ gotd Il. shall we
hold 10 The senmp - shah we hseak In
to the operations of the past aud oh
tain. ~ we can. q higher percentage Of
gold value~ ~ le~a expensef
In aotpe sections. notably Australia.
this. idea Of change h largely acted
upon. and has proved acceptable by
proving ,,roatnbse.
when we give our thoughts for critI-
cnlly considering the stamp battery we
ser q cumbersome collection of heavy
material. requiring large space for
i,uIldisu. beavy expensp for excsvaf-
l~ FOE the amount of work 10 be exc
rutci.
The comine system not only gives q
higher tsrrrntagc Of the metals NJ q
ic.s -xp~use. hut The u,nchIo~ry for
doing n. where fright. simr. exc~va.
stona, bui)dlugN. ETC.. ere considered.
win In thr majority Of Instances cost
an % oae-shir1. n noe coe-ha1f. ters.
This coming system for rv~iuctIon of
eold as1 sjivss osee IL she use Of csurh-
en-. rolls and barrcls. or. As they arr
more pruperiy termed. balI mills. All
u this class ~ snschin~ry has heen In
usr arSaraseiy. ~ every Mill man
kaowr. and they have proved In their
separate oysTat'ona practical ssd e.
fertive.
The newer feature h the combination
NJ shr mUUe peseersed maChlueTy of
this sgpprtal kiud. To usake mOse rsear.
] VIII ~:
Fini-wIm be . sulsabs- cru-her for
rrducsine the ore down to say I Inch
II siDe.
Recuud-The ~ q steel rulla for ~
this i-lnch or and bringing u
,iowu 10 ay k-inch a. coarper. ~ may
lse desired. and a9reeahSe 10 rock beinR
rctauced.
ThiUi-The tall mill. for rvceivine
In orr from The rolls and reducing u
Ia any dealred 0ueuraa. ~ from n
mech NNW wire to N1We~h t0snO. all
NJ uniform gFaiu asd FIRE oe any
, amouae - slimy material.
Thss system os r~durfion h dirccsly |
In lise-ln fact. h the mont desirahse |
wAese haae auld o. si1vef ores rsluire |
~ ~ q fosaacpe oe where furnace |
vert ~ NJ reQulred - bettes The
Tor any - t1se sosutscu pro |
.soap4
VIZ aa larseeae a. capacity IL de-
rr<ourseuo - heovy ogVs Into asOeua. |