The national era. [volume] (Washington [D.C.]) 1847-1860, 1852-03-18

which to the eve did not present particle of gold
Rev. X L Huddtrt, Of this city anu long resident Of
Grass VALLEY, selected various specimens Of quartz
Union Quartz Mountain which have been asssyed ny Mr.
WTwck Of THIS city, who stated explicitly to Dr. nddart,
that IL hundred tons Of similar quarts offered
him in pulyerzed stte he would be willing to purchase
it, after taking al average at the rates specified below
Ertract from the statement of Mr. WARWICK dated NsO
York, January %, 1851.
No yields grs per h. or s19s per ton of 2iO pounds
s 10 20 o.. g g % a. s,s' q. DO
No NJ 90 o. . sI-a d. g.. l9 9s5 % DO
DR.. Huddart remarked thst Nos and 6 showed no
signs Of god whatever TO the uasad eye previous to sme
ing Nos 4, AID s. showed gold In spots were by no
means what world be called picked specimens.
The above calculations based upon the value of gold
at is per dance 10 giving the dollars the ton the cents
THE Machinery will be similar to tina, .mn,0vas nv
the Glass Va ley Quartz Mining Company former ovnsa
hy gohn ACallQs "a This s.~s ~ ,e-~ S,~ 49,
thor .usny Successfully tested It VIII ~ mpsh The
ssDs amount OF labor with the A. 49,. u S.If a.
''->"'T Ter o'hA- s'sa4 :, -,Ss ~ .1,- -
observation. " | - . -
neer ana formerly Of SkSneatss New York aud known TO
be man OF nnimpeschabe ntesr ~, while II introduces
other subjects shows the superiority of this style OF
chinery:
GRASS vALLEY, December 7, 1861.
DEAR SIR: You ask my opnion of the Grass Valley
Qasrtz Mining Co.'s MILL Claims &c rormeriy kno~u as
A. Collius Co = Model Mil have had charge of the
mill, as engine,r since the mill started (some ak
months and can confidently say this mill is cansbe Of
has ten stamps but owing to their size, the peculiar
construction Of it's batter will crush rocks
onetbird less hands and half the power than mills
this town that have eiga,een stamps
rur average for several weeks past has been four
tons per day (o twenty four honrs scamp But this
has been that crashes easier than the yield of
the mines Still have hesitation in ing crush
thirty tons day, with the rock properly prepared
any vein In this vicinity The comp ny have extensive
cl inns on Dasey and Osb hills We have been crush
ins from these hills curing the past weeks and the
yield from has been about one hundred
ptr Lon lxfv ka heat
yield have had during this time has been hundred
and forv ounces taken cut Of the snagsmator
stamps besides some two three hundred dollars t-kep
out Of the batteries and from ths tables reached
the amagamators Fits would be five and pounds of
smslg.m stamp, wbc0 would yield hanlred dollars
per pound pure gold The these hills most
the quarz which saying before easier
quartz mixed with it. VIM. n. WILLkTS
J. l.. CRosRrr, Esq.
have been running with Mr. wilets as engineer some
two months, and fully concur in the above.
MOSES l.. REMENTON
The Nerada Journal the date of Novembers 1851
speaks Of this mill as follows
" In Of these mills observed improvement
the usual process simple and ell ctive which
proprietors would 40 well to copy We refer TO the tsps
and connected with the mill Of Messrs John A,
Collins & Co This mill with ten stamps has bssn in
four months and yet The ia them almost
pe1cepbe On examining the construction of the stamps
and mOrtars we were not snrpri at this result The
stamps large IA by inches the fhe
wide The advantage of this is the quartz instead of pack
ing down in solid will ia a confined mortar has
plenty fy bout the fine is elected through the
sieve and the is constantly sDg under the
Take handful Of salt and pnt 1t ia aud pound
1t with pese Of the size Of the mortar it will crowd
down sJo the bottom the Jumps will be
ter an hours pounding when put in whsress
If the mortar roomy tie salt s in constant notion and
soon pulverizes This is the philosophy Of these rOomy
and wide stamps, and is obvious, we'll as oe
cded by experiment that the the stmp must be
less when large face striker fairly the quartz and the
grinding from the sides Is removed"
The California Express, under date Of November H.
1851, speaking of this mill remarks:
"Among the most efficient mills running, those Of
Legrave Co John A. Collins x Co., and hlr. Wash Ibs
first Is stamps and the last two 10 each The stamps
of the first only six inches lace those
Of Collins Co. are eight anu fourteen inchesmorc than
three large and their corrspondingly
large The consequence u.s. this mill will crush considerably
more than any in TINS valley"
James Delevan Secretary of Company is construct
a large mil in Grass Valley, writes:
"This mill and veins collins and Company 81 have an
excellent reputation in this community regard il one Of
the best most Efficient in this section u
Captain E. Wilson, long engaged in mining in speaking
of THIS MILL wr es TO J. L. Crosett:
al have hesitation in saying that believe It Of the
most Efficient reducing and saving gold in opera
ton Ths believe the opinion of every judge working
An intelligent writer in the California Courier bases
calculation Of the operations OF MILL in. tons
daily, at one cent per pound, H. follows, TO wit:
Expenses qrarrying crushing &c SLIGO
100 tons at 81, OF one cent pound 700
Profits $500
An addition Of mill per pound will add $500 day or
S600Oa y,ar Of 80 days two per pound would
produce profit In one year of $4,000
Two cents is III lowest average made culeJ quartz
even by any OF the Grass Valley quarts miners. With
of the Trustees of this Company laatz mining ia son
thing more than mere theory. -FOUR OF them have
practically engaged in this business Two OF the Trustees
are now In Grass valley looking after the interest Of this
Company At the very lowest imates the profit
mously large Many mills small per ect rs they have
|
The mil OF the Grass Valley Quartz Mining Company
formerly under the direction of the President II THE Com
psny paid s original cost Ia sixty days and since il has
paid large profits no withstsndng IL has been times
| remodeled improved, and enlarged.
letter published in the Alta California in referring to
the Companies workin, in the Rlsriposa mines SAYS:
Three others heard Of, have al ided-one 10, II
and one ID per cent. per month on their capitals
The Gold Hill Qusrtz mining Company Of Grass Valley,
their catitsl
Facts and estimates to What has been Whist may
be done might be multiplied TO an indefinite extent but
cent has already been presented to ensb. the inquirer
to idea what may be accomplished by this
Company II its depends upon An excellent loca
n, good and ext nsiv- veins abundance OF wood And
water sa nbr ou climate the newest ana mos,
machinery and large experience in quartz operations on
TIE part VI the Directors their determination 70 pvt
forth every exeron T. prosecute the work wh energy ana
the most rigid economy then the sockho.defs wiz
golden harvest by large divide ds and increase In the 'aoe
of stock.
THE EXTENT OF THE WORKS.
For the amount named at the commencement OF this Mti
Aforesaid contyc With the company to sell ana tr.ns
the said propert thereof nj the earliest pos
sble d, the necessary buildings and msehiner adequate
70 he reduction Of 100 tons Of quartz per day OF ~ huns
follows, via -.
TIE mill will CONSIST of % stamps after the pattern of John
A. Collins Companys mill with few important improve
ments, and playing In six batteries OF six stamps each
amagsnzto detect the gold fast the ore
puverzedan engine Of sucieut power drive all this
machinery aud additional power Of horse 20 IN We
machinery TO reduce the tsngs the sitter IL has
passed through amalglmstors when such improvements
shall have been discovered The buildings will consist offs
stamp house, 30 So matchmaking house 3by W feet
an engin. house 10 by 30 fees; shop for mwrsht and
blacksmith % by 3lteet dweg % by 10 feet once 10
| ~ % feeti AMI wood house, 20 ny 60 feet .
They furthermore give then time experience
and lab 10 promote the interests Of the oom any
ing TO their best judgm IT. % the time tn md the
above specified shall have been fully peI,g IN perfect
worss OF the company completed ana I."'e
order. JOHN A COLLINS, Presiden. .na s,cr.,srv
HORACE GREELEY, Ire" "e' "
or Pamphlets containing the ebsre. " .rd ,.c,. con-
and the laws Of California upon cofp''''O" -,
corning ,.,,x and Quarts Mining can De hAa oy
iny mas, Maid and ,uclosng two pos'Ss stamps '"hN n
COLLINS. No. as Broadway, New YORK c''y .has
.,o.. s.. n,.rea by ssnins A. above post paid Bank
No,.s or Drafts, to ,,.,
M,rch il-1 'o"" "
THOMAS EMERY,
~.uurACTURsR Of Lard Oh, star and Adsmantins
IM Gsndss 80 Water street between Main and Walnut