New-York daily tribune. [volume] (New-York [N.Y.]) 1842-1866, 1851-12-20

este lie elsewhere II the increased semi monthly
sAjrmepis ofgoli dust, With we SHALL publish resu-
hiy are not proofs Of the richness OF Our plsSeIs,
then for once, figures far N truth, and we have
,c,hlno n Ore 10 say The shlpme nts made by
vetsrs Newell & Cos Express. rom ac1eumne
Hill Ior the ,-s weeks ending October ~ 10 go ny
the ,te.rutr Tcnnes which leaves san francisco
to.tay. were So ,2sl 70. In the above Is included
sn f1ohsree account OF oveI s4,ec0: This We are
iufornse, Is an increase Of more man sV,oVo ever
and above then last seEni-monthiy salpment'
The Nerdda Journal makes the follow
ins ,emaYbs relative to quartz mining encesvorins
10 prove tia, quartz that VIII pay one ceh' 70 tne
round VIII pay for working
The pnnelpal fault in quartz working IL IN the
small Insufficient machinery used lac cost OF Wmcn
10 great ano the work small We give below the
costs OF running mill by water power, Of any
stamps, Of eight hundred Pounos escn Mhicn VIII
crush Two tuns Of susrtz each per cav. NO ana
half rms have been crushed at Grass Valley by
s,am9s OF six hundred weight-but We leave large
marFIn -
One Superintendent as mill Per day $40 90
One carnenter 500
-Four feeders, at IS each. ~ w
-Four other laoorers at $5each 70 70
noubi etSt for ,xeniy.foGi hoaIs...'. JIG 90
Wear and tear Incidental lS 90
Possible contingencies o9 w
Total OBSERVATION-DISCLOSURES $50 w
One hundred suDs quartz, at one cent per ~
Expense per day ------------------------ oOV w
IRONS per Gay u <VN W
The above lie certainly very satisfactory result
bur II Will be observed that carriage OF quartz rs
reckoned, and no expense for steampoveT. The es-
innate will hold good al the companies IN this city,
where the Quartz let down TO the mill In railways
and where water power is used. But offers have
been made to quarry quartz IN this city for two and
half dollars per tun-whch We have doubled ABOVE
so as to embrace cases OF difficulty.
The extra cost OF a steam engine OF one huhdTeo
horse power per day, and for caitage would De As
follows. -.
Running steam engine per day-.-----------$l2o W
Carriage mile, at 81 so per $50 90
Other expenses as estimated ----------.--- sOo W
IOt2l I'voS w w
Expenses -.----.-...----.-.-.- l075 90
Profits per day 925 90
A mill Of one half this size can be run al about
two-ihirds the expense and thus The mil decreases
in size is the richer quartz required 10 pay Persons
designing 10 erect mills should pay particular slen-
ton to this point. And they should be careful to
erect their mills as near possible 10 the leads
always below the excavations. Water power is
preferable Oh the score OF expense and for reasons
elsewhere noticed.
We do not believe the present system OF a1salga-
nation is adequate The algdmatIng process IN
Chile is frequently continued fortnight IN one lot
of taIlings and there is gold that escape the
grasp OF the quicksilver when adequate opportunity
is given for amalgamation. We believe II is usual
in this neighhorhOod, TO change twice day, because
of the hardening OF the talings on the tables. STR
them up, gentlemen, but give more chance for the
quicksilver TO work.