New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1880-05-07
filming.
DOBERTSON ELECTRIC ORE
pEDTCTIoN com PANY.

reduction
opinion tho praccabity and advantages
of tho Robertson Process" give below short general
description OF OF the principal methods now used IN 'ne
reduction refractory rebelOus ores OF E0d ana 81
Robertson Process
This IA known as the "washoe Pan Amal0amatOn Pro-
ca" and is generally adopted the COmsock and other
great mines in other Western States and Ter
rtores tho cheapest and best OF reducing many
classes refractory containing too much leah THO
ore is broken by rock csher to uniform Size
and Is then stamp battery and crushed wet 30 as
TO pass through OF OneOrtcth inch mesh It's then
carried through suce TO tanks where the SANDS arc
allowed 20 settle and the shines are carried on IN suSpeh
sion watts where they precpated and left for futue
The sand pulp from tue anksls shoVee" luo
pans added The being changed the nluer
previously notion salt is added, steam let in ana
after the pulp hea ed The muller IL lowered
and grinding commcuces Suphate OF copper is no" ADDED
and the grinding continued for say two ami ha houl
when the qulcksivers introduced and anal gamatoh colu
continues for say ~ hours longer The charge
now drawn of into the settler OF
lepaiaOr Cyanide potassium OrwhateYer cheIlcais may
he for saving and cleaning the quicksilver destroying
grease &C., are added the quicksilver Is put In III tho
settler charged quicksilver settles to the DDtoh anu
dawn pulp discharged Into the agaior "hee
any particles Of quicksilver amagam that have rehane
suspension further time to prccpitate and inc l
ng auay DISCHARGED and collect below to be worked
sold parties who WORK them over pr inc S'e anu
gold that may be left
Tho charged quicksilver from the settler and ag''
aior and the auagam clcanel rcorted ana re-
nncd
In the Robertson the IL broken then SLOWLY
heated to a cherIyrcd heat in rcverbcraory furnace
plunged of strong brine suplat" OF copper
and cyanide poasslu and then hovCe into the pans
ground amalglmae, The Robertson Process accom-
plisles the result milling, setlnG, AMI grinR
with chemicas by simply heating the ore to chcry1c'
ea punging it, while red hot int" the above D" Inc
sudden contraction the in contact WIN INC
cod BATH together with the generated instantahtousy
ia nj
slpurcts are uO very line powder, and the quartz
ganeuc. let in such condition tat 1t can oe
up with the hand aud ~ Easily and rapidly gouhn 10
the requisite ncncss the pan. The chemicals are rnaoPu
10 net 81, tho uisn, sulrIucS &C. instead
OF losing power toy DO dnIg the slow Oahh% anu
grinding in the pan
very IMP riant consideration IN favor Of he koo
or lu Process ~ lines. Win CRY on =" 70 -
pcr cent Of The precious me ir original AMI which
the Wa.hoc Process rln oil and rii'ri III Va' To o'
worked separately ct ls ~ 20 - per ch are ny lS
process yd a, clay bccoco bnfrt III the hca Ing Of the
one and with IN anfSahItioh "l !u TAG
uuirk silver in Sill pension ~ il do, when nw
shall into the crmcaI 'cti"r1 hrh are supposed
10 take place. nrsu ing that Il j. generally admitted - care
m and practical mi men tat sail. srph1tc OF copper ana
cyanide Of potassium really beneficial In the r"nncton oI
orr Of rfr c'oy u,turr. Amn>t cv",v ton Of ore that
comes ont o mine contains di1rcut mineral constituents
AMI In r nj comb du proportions 40 thar ltl' III
urleticr uttc mi 'iaurst IN proportion
s chemical ugrccs rs to act uniformly on ANY tvs" con-
t.y charge Thc"uy thin: h. can d" Is 20 h1'pt
the kiud quantity ana prop r'a Of e"cnta1 "ah rom
actual experience ave the H't cro."rc"l ru' from the
lar. ri quantities ~ so reason can b" HF'n why te
io'crtson Prncc- Shout u"t b" good n IN W'so on
oic such nat Com o. aad many good rI'ns can
lie gwen why should aford much bct'r results on more re-
frlrory orc such thos' containing much I'm anthony
arsenic .tc TIL chemicals used are The same only Tat IN
TIE Robert ou they enabled &" do their work u'
,r ,, more la,oral. conditions and after great p"ri
o. refractory iHgtehcEt ot the "tc have been tAlccI OS
heat.
turcf tr great alyIu 1s.- ~ IA Robertson Process ana
one That rluu o. "v-r'-tmiid Is IA" f'clity winch 1t
oar,s 90 op.i Gin- ia distant and mac"sSh.c place"
~ mi.'j a.u 10 pir" ihcir mines on pA'H2 '.'N
M .r,l ryp nsr ANY place whce or uaiy bk or stone
for rrr qui ,ons iran arasri r'n 'e had me owner
q, f..c can US mt iip WORKS rru"" h' ore Whether
refractory m a'vt,s exceeding ihr which coHthr 700
r..! ,,i. Il q eos, oucc.ti 81 luy other works Of u"
SIN, a.lty wI-ir Is stamp NH would be- on" Of tho adj
,ucs III. To rvp,tl ai HIS process vii meet Win
s.r. oprouu both ium She BUILDER ~ stamp riiH AMI
ti-r VIM. La,.us the nauherh'nt am purchasing VI
usr. ,ly fpc la' r"mpIn-, max" pr"h out "i thtIr
tai NJ lctr"l'R" on aH c"lth'tSI"V
titn,,. and 4i Uut o,y .fs ard IN mines.
vh1 ,y.h thir rrorcr,ic' "n iaiing basis al
Iplrr.;r ,Npcs. silt dp well &" max" themselves ac.
nr.tr1 with ir ndv.nia,"s ar d"cl,ot this p'"r"'7-a
ctular Il WJh ctr rs-'cpr" .H;itl'aS Hti'.'N'H "
h.tNS aud Ni'uliiu''-.
,,.h,t mrols rluc;.uu sicI a. roasting AMI cf'1'm
Ing am! ir a,al ANA Ing IN pans Gciri "a amrWt oi
skilled Iior shcll, srd'm De "biain" IN minh@ c'nS
,Iar: from ga adult. nIl Hsr oi tn u"ihoi-.
, . OF know GOO! r the .,c,tion and IA, ,inZ u
oi,s aul tie ari TEDIOUS operation 81 r'irt
49,, ir ,l.or lato. r'.Ii IN rrai "s" aud conso
q'"' ''''''' ours "' JAMES BRADY. NJ. Z.
PAID MOUNTAIN MINING co.
In Spouse to inquiries coccrn.nr COMPANY and IL
porric Cu:on.l j. rcyon ~" president has replied:
"I'.r BaII Mountain Mining COMPANY VIZ org' ih"! No
vcmnrr y !~7g unrr the laws 81 e" l"rN, VITA Hcapha
Of ""oouuu N UIoOob shIc', par vain 80 'hch The
proirr e.. then ,rr by The cnmIa, consisted Of tr' Her
ri,cs and Hazard Fryer ma mar IravIllr, al
ipn the Lathe CIrt and C"bonirr'us tmnacng FRA
dos, over seventeen 1hrc ntignon' mlue ~ Is well
known n producing quantities" f ore nicatng tho
rrospe value Of the Hercules aid H'zIrl when sui
C,utly dcvci"ped
"At the samc lime he Company secured the blk Gains
known AZ the Upper Bella D., g. W. Kass.cu. Clayton.
Chccsman lIaluc~. situated on lOveand HILL Buckskn
Joe Xounian AMI contiguous developed miUcs producing
large quantities Of high graz or"' Among heS" rc<boring
mines ate noted Fanny ln-rct Phillips Orphan Toy,
uckrye md Others which from Their nearnesS Rhl
IoctiU give An assured this portion Of tho Bad
Mountain CmnpanYs Properly These properties have all
breI paid for pissed upon them by competent attor
nrys and deeds duly ecOrddn Park and Lake Counties,
Cunldn Of the capital si' Ck was Issued 10 tho
owners aud the other hall placed In my hands
trustee which have been sold by III" at 81
,cr share which sum completed the cash
the PROPERTY yet hold IN trust 80 1000 shares or the use
and bcurn u all thr stOckholdrls.
The Geld cup combination purchased some time
afcrwari By cOnditiOnay The unexpected recent do
r.sun inng stock market. aud tho prevalent dis
trust nl al lilurb H'F''tI '"Ab'
led m, 10 think that It was advEabe abandon q limo
the idea TT acquiring tIn cup rpcrty and TO give
fullest attention the dcyrlo mrh OF tne mines previously
acquired After had quite given up the hope OF securing
t,r properties which believe to bc among the most vau
able in Colorado Mr. = X Knox resident OF Independence.
Missouri principal owner, visited NewNork lie Is
u gentleman OF wealth and while here effected arrange
mcuts whereby the Gold cup combination may after ALL be-
coc part Of the Bad Mountain Mining Company. and Mi
Knox identified with tho management With the al
al op 81 THIS property have hcAai on In saying that
con.r ttc future outlook OF tn" Bald Mountain Company
VERY riolnsug uud giving Strong euaIautccs being
saie and rrohtlbc Investment This fully believe AID do
sire To- sa| on behalf 81 the Company.
wnrr that many ho,itat to invest Ia mining
prsc. bht prejudice which has yncd Is giving away
Bankerl capitalists merchants aud OF all