The Anaconda standard. [volume] (Anaconda, Mont.) 1889-1970, 1899-11-21
WATERS At THE WORKS
Rapid Progress at the Upper
Concentration.
ROUND TABLES MUST GO
Gates, Crusher and Rolls Will Be Ready
in Few Days-Overhauling of
the jig Department-More
Whitley Tables.

The upper concentrator will now very
soon be in position to test fairly the
relative merits of stamps versus
crushers and rolls.
So far as the ma chinery is concerned,
the western section of the mill is being
almost built over.
The huge Gates crusher, with it's two
| sets of rolls, are in place, and If few
small missing parts arrive they should
be ready to operate in 10 days at the
outside. The crusher and rolls are to
take the place of No. stamp. The ore
will be fed to the crusher directly from
the ore chute. After being crushed it
is screened through trommels, which
| are revolving sizing machines-the fine
material being passed directly on to the
| jigs, while that which is coarser is fed
| to the rolls for further grinding. This
being done, the reground material also
| goes to the jigs for concentration. The
! rolls are just below the crusher, so that
the material passes down by gravity.
Immediately below the crusher the
jigs are being completely overhauled,
many of the old ones being torn out
and replaced by new, while many new
ones are being constructed where before
| there were none at all. On one of the
floors eight jigs have been torn out and
new ones are to be at once installed.
Good progress is being made with this
work.
These new jigs will be fed from the
crusher. Quite a number of jigs have
| been placed upon the floor with the
crusher, and some on the floor imme-
diately below. On the floor next lower
than the eight referred to six more new
ones are being put in, while down upon
the lowest jig floor nine completely
new sets have been constructed and are
now about ready to be connected with
| the power.
At the east end on the same floor are
| nine more sets, not quite SO far adj
vanced but still well under way. They
can probably be connected with the
| betting in the course of a week or two
In this portion of the mill two frames
have been erected, upon which grind
ing mills are to be placed. The Stand
ards representative did not learn what
particular make of mill will be set up.
| At the lower concentration, in a SINH
lar position, a Montgomery mill is
whirling and said to be doing excellent
work. Possibly the same class of mills
will be put in here.
The engine power has been rein
forced with a Rand Drill company en-
CINE of about 170-horse power. This
engine is now running the lower jigs
The main engine which moves the rest
! of the machinery is of 250-horse power,
and Of the Salkeld s, Eckart design,
manufactured by Morris & Co. of Phil
| adelphia.
At these works considerable progress
has been made in substituting Whitley
shaking tables for the old round re-
volving ones. The Wilfeys are located
in large building by themselves below
the concentration proper. 1t formerly
contained about 40 round double-decl1
| tables. Nearly all Of these have been
removed, and the few remaining, which
| by the way, are not in use, will soon
| be taken out. Twenty-Five Wiltleys
are in this building and more will soon
be added. The Wiley table seems now
to be accepted as the best appliance
| for saving the richest Of the shines.
In a former reference to the Whitley
table it was stated that it has double
motion--lcngthwise and sidewise. This
was incorrect. To a casual observer
such appears to be the case, but it is
owing to the shape and slant of the
table. 1t slants from the head to the
foot and also to one side, while the ia
! BILE narrows from the head to the foot
by having a V-shaped piece taken off
the upper side, where the shines are fed
onto the table. The motion is directly
from head to foot. but the shape and
slant give the tailings as they pass
over the table q double motion, some
going off at the foot and others at the
side; so that a looker-on, who does not
examine closely. would suppose that the
table itself was moving in both direc-
tons.
These Wil1eys are run by small up
right New York safety engine, the
commercial rating of which is Is horse
power, but which can in fact develop
twice as much. 1t is said to require
one horsepower for each Wiley.
There has been so much discussion OF
the relative efficiency of stamps ant
rolls that the changes at these works
will be watched with deep interest. fol
here they can be tested side by side.