Gilpin observer., 1909-08-05
tors. .h. most .reo.Iv. machine

made.
"After the separation is made on
these tables, the tails are conducted
to Buffers distributors, evenly dis
tributIns the sands over the 3oxs
steel teaching vats; the large proper
tIon Of the values remaining In these
sands are here dissolved by tho use
Of a cyanide solution, modified a. per
Mr.. AIsdorf's tests.
1.-THE concentrates, instead Of col.
Ieetinq In boxes at the table heads
are conducted as fast as formed
through a Iaunder to the 18x4 steel
watts, and distributed similarly to the
sands, In this design a ten day
treatment has been allowed for, this
Is probably ample time and after the
treatment 10 finished they are slowly
sIuieed through bottom discharge
gates to water tight pockets, so
situated as to permit Of cheap load.
ing into railroad cars.
1.-THE shines after being separated
at the eIassifiers, are conducted to
the slime thiekener, a device for
dewaterlns and furnishing a product
Of comparatively uniform moisture
to the slime treatment process. A
great many schemes have been pro.
posed during the last few years for
the treatment Of what has been de.
sisnated a. shines; but two have
stood the test Of time, the Moore and
the Buffers, which are virtually the
same In operation and cost. The large
mill Of the Golden Cycle M. Co., at
/ Colorado City 10 using the modifiea.
tion Of the Buffers, while In the
Black Hills the Moore has the strong.
er advocates; either system is safe
to install and either will do the work
effeetuaIIy on your ores; the one to
install 10 the one that can be put In
more eheapIy. This will depend some
what upon the local conditions and
can be determined upon later.
lowing to the fact that It 10 i'm
possible to keep from the dissolution
Of some copper, II was thought best
precipitation, which admits Of more
effective work and avoids any eompIi.
cations that might arise from the use
Of zinc thread.
"As designed, the building to con-
tain the equipment, 10 Of steel; you
will note the simplicity Of this build
Ing a. shown in the plan outline; such
buiIding Of steel construction will
/ not greatly exceed the cost Of wood
en- structure, and II steel 10 used
! throughout, the Insurance rates are
! reduced to a minimum, In fact such
a plant 10 justified In carrying its
own insurance; the differanee be.
: tween the cost Of steel and wood
construction 10 very soon made up
and is source Of everlasting salts.
faction.
"Outside the main mill building you
will note, provision has been made fol
receiving ore bins, which discharge
on . eonveyor carrying the ore dir.
eetIy onto a srixzIey, the oversize 90.
Ing on q No. 6 Gates rock breaker,
diseharoins onto a second erizzley,
oversize passing to a Blake erusher,
the entire stream Of ore then uniting
on 4 eonveyor leading directly into
the battery bins. During its progress
along the eonveyor, sample 10 auto.
nnatieally cut out and delivered to a
small erusher, passes through rolls
and 10 then elevated to 4 Vein
sampler, which cuts out the sample
upon which settlement 10 based; the
reject from the vexin sampler 10 de.
/ ilvered through spouts Into one Of a
row Of small bins, where In case Of
dIssatIsfaetion Il can be withdrawn
and returned through the sampler
for q resampIe, or II settled for, can
be delivered onto the main eonveyor
leading to the battery bins.
1.-THE design throughout 10 auto
matte, employing a minimum Of labor
and despite the triple treatment CIV
on the ore, will mill for from S1.oc
to $1.os per ton, allowing an ample
factor Of safety In estimating"
Tunnel Cuts Kansas Vein.
Geo. Collins was over from Idaho
Springs today and brought the best
news regarding the tunnel he has
yet had to give out. He said the