The Calumet news. [volume] (Calumet, Mich.) 1907-1938, 1912-01-31

""N SiN were Slopinks Nov
these operations are reversed and ma,
. 'nrally the stopping ground will b,
judiciously selected
Franklin under the new conditions
Is vastly different enterprise from the
DID, oven compared with the condi-
tons that existed last October when
the mine and mill were shut down
to permit the reconstruction. At that
time the shaft was no better than the
ordinary exploration shaft. II has
now been enlarged to admit the travel
/ OF skip carrying ten tons OF rock
and eighty pound steel rails laid with
/ concrete slopers substituted for wood.
The celebrated air balanced hosting
engine designed b. General Manager
x. Nj. Edwards. Of Franklin. i'm which
important fuel economy has already
been demonstrated. has replaced the
FORMER superannuated engine. The old
rock house. with limited bin capacity
and cIushers so small that large
rock had TO be broken with sledees.
has given way TO a modern steel
structure with cylindrical boiler plate |
bin and crushers of the largest type.
At the stamp mill, where the stop-
page OF losses i'm the tailings ranks
IN Importance equal to the stoppage OF
losses In costs at the mines. the old
style round concentrating tables have
hcen discarded and oscillating tables
rut in This type of table in twelve
years use in the Michigan copper
country has cut the former tailinps
losses in half. Hydraulic classiHcrsl
II Improved type have been introduc-
ed extracting large percentage OF
me copper early I'm the process and
the remaining material
With greater efficiency Concrete has
'eplaced timber I'm four of the stamDl
read foundations. In the foundation
II the 5th which is kept only as al !,
pare the timber Is in good condition =
nd has been retained for the pre- =
ent. While the stamp mill containsi =.
We heads. it's concentrating end is =
apable OF handling only 1000 tons =.
ally or the output Of four heads and -
his cannot be increased without en- y
lrging the building. y
Has Bright Possibilities. =
The sparehold, however. will enable :.
le mill 10 sustain it's four head cap =
'ity because IT Is so arranged that IL -
IN he switched into service when -
Their Of the others is laid up for "
pairs. II
Franklin has adopted the bin and "a
alton system of loading and hoist =, -
& that has proved so efficient ct =, 80
hm"ck' Osccola, quincy and else =
here. The skip in hosting rock ~ ~
ops at the levels where the bin ter. ~
inals are located and all loading r''
done by two men who open the 40
ties and hll the measuring box or -, -.
IRON while the skip is making its
ip TO surface, BY this method the W.
gine is designed To hoist ten ton
ad from depth ~ mile every Wv
rec minutes, which should not be "
fiicult from the maximum depth. ~
ius fourteen hours of hosting Nc
'uld keep the mill supplied to Its 49,, -,
pacity Of 1900 tons daily. NJ
Franklin has very likely prospect Wv
adding much TO its resources of 20
ppcr ground not only in the old w
'rkings above the 10th level. but Wv
go In the walls parallel To the drifts x"
the entire mine. Those ia
nllar with the quincy mine know gu
AZ the Quincy-Pewabic lode Is 5u
~ into a number or branches -
incy wins copper from several of 81
use. notably the Quincy" vein AMI -"
, West vein and Hancocks YER VI. W,
al shaft sinking for this lode. has w )
eady cut some of them. indicating w
It there may be even more of these
inches than has been supposed.
lnklin's development has been al
st entirely upon the castery or ~
uincy" branch In time diamond we
u will be placed upon a truck and
we'd from place to place under we
und and an exhaustive exploration ~"
! be made Of all walls Of the work o''
.no,hor ,.or,. ,r,,or,a,, ,,o..,,,u,,,. Ate
Franklin lies in tract Of $40
cs east OF New Taltic and New 10
III, -. 90. Car
'adlan THIS tract either alone or .
with the Quincy acre -
to the south or the ST. Mary's and
narack acreage 10 the north has -
inviting position. which is made =,
re prominent because of tho devel- w
ment along the eastern sandstone -
tract The ability OF general man uo'
r r. NJ Edwards has been display .No'
to much advantage in the manner -
which he has brought Franklin to
present stage of development. roo
addition toy this i'm the invention I'''
the air-balanccd hosting engine nv
has rendered high service To -
ling economy. In this engine the IN
cendng skip revolves the drum Zen
generates compressed air which
g checks the speed, and this COM
ssed air is then mixed with live
am and is used in the cylinders Of d
engine in the regular way for II
stins.-A. l.. Garnahan. of Gay g. l.
rgis. S'ai