Gold Hill daily news. [volume] (Gold Hill, N.T. [Nev.]) 1863-1882, 1875-03-20
sAErinosE Asp AnEnicAS
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American Flat mines adopted the eco
nomical plan. since followed by inanyoi
tho leading Comstoek claims. OF work
ing their locations through a joint shaft.
each bearing a portion OF the expense.
thus dividing tho cost and making the
burden Of assessments fall much lighter
upou the stockholders Of both mines.
Soon after the consolidation for working
purposes tho sinking Of the main shaft
and the opening Of tho 750-foot level
demonstrated the fact that much moro
Powerful Pampiag Naehiasry
Would be required before the opening
and prospecting Of the lower levels could
be proceeded with. In accordance with
| the views Of tho Superintendent, Mr.. Z.
S,rothor. designs for pumping machin-
cry. Of q more powerful capacity than
any in use at that time on the Com
stock. were adopted. These designs
have been since copied BY the Sierra
Nevada and other mines ON the lode.
anil found to DO just what Is needed for
draining
Heavy Bodies Of water
Tn the lower levels. In the erection Of
this machinery no pains or expense has
been spared to make il rs substantial
and perfect "a II il possible to 10. The
timbers for the wood work are OF red
spruce. and wero shipped from Dutch,
Flat, California. The foundations for
the machinery contain l.G92 perch Of
solid stone masonry. aside from the
hinge dressed blocks OF granite. upon
which rest the solo plates for the ma
chinery. The solo plates have nm aa-
grcgate
weight OF $4,000 Pounds,
And are held in their places by 3-inch
wrought iron anchor bolts "a feet In
length. On the sole plates rests the en-
CINE designed for running tho pumping
machinery. II was manufactured in
| San Francisco by II. J. Booth & Co.. is
| u tho corliss pattern, has q 26-inch
cylinder, q G-foot stroke, weighs 20 tons,
Is Of 3OO.horse power. and was calcu-
lated by its builders to drain the mine to
the
Depth OF 1000 feet.
The hy wheel for the engine is 20
fee, In 4 diameter and weighs 20 tons,
tho driving spur wheel 10 feet in dame
ter weighing 400 pounds. The main
shaft is l2h inches in diameter. and
! the whole manufactured Of the best ma
terial possible to obtain, The pump is
equally powerful. and well arranged.
| and is calculated TO throw an immense
! volume IL water. IL IL 80 arranged that
II can be- run with u Ave. six or seven
foot stroke, and the main shaft is sup
Piled with n six foot reel for hosting
and lowering the pumps and columns
in the shaft. in order to make room
for this machinery il has been necessary
to erect an enlarged
IHoistinx works Buiidiag,
The main part OF which is il5 feet In
length by 40 feet in width, with a wing isx
li5 feet, occupied rs a blacksmith
anil machine shop, with boiler rooms
adjoining, i0xi0 feet in size. These
works are ~ conveniently and finely
situated for the obtaining Of necessary
supplies at the least possible cost as
u ON the line Of tho C~omstock; the
main line Of the Virginia and Truckec
railroad passing ON the upper side, ana
the new side track from the main road,
for supplying the new Caledonia works,
ressing ON tho lower sido Of the works.
| the one landing timber and supplies,
and tho other carrying the ores to the
mills.
Tho Orc Prospects
On the l50-ioot level Of the mine. wore
excellent. many 6no lunches and spots
Of rich orc being encountered. about 100
tons Of which ore can be seen and er-
AHMED ON the dump by any who desire.
ON the 7JJ and SJ0-foot levels. drifts
| both north and south have been run
parallel with the ledge, proving tho
ledge formation to DO much more COM
pac, and better defined than on the lev
els above. But owing to the steady and
| strong How Of water. Whenever the main
ledge was approached.
The Cross-CutsinE
| Had to DO abandoned until tho now
pumping machinery is completed. That
will DO about the Let Of next month. when
draining the water will be- commenced
and the development of these levels pro
40 49,