IMPROVEMENTS IN AMALGAMATORS FOR THE SEPARATION BROW ATHEN STIDIOMA OF METATOTALS FROM OTHER SUBSTANCES
Year: 1880

page_text: LETTERS PATENT to Pierce Butler Wilson, of the City of Baltimore, in the
State of Maryland, one of the United States of America, Consulting Chemist,
for an Invention of "IMPROVEMENTS IN AMALGAMATORS FOR THE SEPARATION
BROW ATHEN STIDIOMA
OF METATO
PROVISIONAL SPECIFICATION left by the said Pierce Butler Wilson at
the Office of the Commissioners of Patents on the 6th September 1880.
PIERCE BUTLER WILSON, of the City of Baltimore, in the State of Maryland,
one of the United States of America, Consulting Chemist. "IMPROVEMENTS IN
AMALGAMATORS FOR THE SEPARATION OF METALS FROM OTHER SUBSTANCES."
This Invention relates to means for adapting a centrifugal machine for the
separation of gold and other precious metals from water, sand, and crushed ores,
and consists partly in the interposition between the revoluble basket and outer
casing of the said machine of an amalgamated plate adapted to receive the contents
of the revoluble basket as the same are thrown off by centrifugal force. The said
Invention further consists in applying to the said revoluble basket an inner or
supplemental basket having preferably a perforated bottom, whereby in the
operation of the machine a more minute division of the particles of material pro-
jected against the said amalgamated plate is effected than would otherwise be the
case, and the yield of gold is increased. The said Invention further consists in
providing the bottom of the outer or main basket with an amalgamated plate to
collect particles of gold which pass with the water and reduced ore through the
perforated bottom of the inner basket herein before alluded to.
The water, or the water, sand, and reduced ore, are introduced into the inner or
the outer and inner baskets by means of a trough or pipe, and they are projected
from the baskets by centrifugal force against the amalgamated plate which retains
the gold. The amalgam is either carried off with the refuse material and separated
from the same in a second operation, or conducted from the machine by means of
a channel separate from that for the water and ore.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed by
the said Pierce Butler Wilson in the Great Seal Patent Office on the 5th
March 1881.
PIERCE BUTLER WILSON, of the City of Baltimore, in the State of Maryland,
one of the United States of America, Consulting Chemist. "IMPROVEMENTS IN
AMALGAMATORS FOR THE SEPARATION OF METALS FROM OTHER SUBSTANCES."
This Invention relates to the adaptation of a centrifugal machine to the
separation of gold and other precious metals from water, sand, and crushed ores.
The said Invention consists in the interposition between the revoluble basket
and the outer casing of the said machine of a mercury-coated plate adapted to
receive the contents of the revoluble basket as the same are thrown off by cen-
trifugal force. In the further description of my said Invention which follows
reference is made to the accompanying Drawing, in which
Figure I, is a sectional elevation of my improved amalgamator, together with
some of its attachments: --
Fig. II. is a section of Fig. I. taken on the dotted line --
Similar letters of reference indicate similar parts in both the views.
A is the casing of the centrifugal-machine,-and-B.the revoluble-basket which is
driven in the usual way;-C-is-a-mercury-coated plate, preferably made in sections,
which is placed in the casing A and around the basket B. The-lower-end-of_the_
casing A terminates in a pipe D, through which amalgam, water, and ore, after tho
separating process, are delivered to a vessel E provided with suitable stirring
devices. The water, or water, sand, and reduced ore, are introduced into the
revoluble basket through a trough or pipe a, and projected from the said basket by
centrifugal force against the mercury coated plate C, and the amalgain thus formed,
together with the refuse matter, passes to the pipe D and thence to the vessel E.
If desired a second basket, of conical or other shape, may be secured in the basket B,
as shewn by the dotted lines, to effect a better distribution of gold over the surface
of the plate C; and a mercury coated plate can be located in the bottom of the
outer or main basket to increase the amalgamating surface of the machine.
Having thus described and ascertained the nature of my said Invention, what I
claim is,
In combination with a centrifugal machine an amalgamated or inercury-coated
plate interposed between the revoluble basket and the outer casing of the machine,
substantially as and for the purpose herein specified.
In testimony whereof, I have hereunto set my hand and affixed my seal, this
Fourteenth day of February, in the year of our Lord One thousand
eight hundred and eighty one.
TAAN
In presence of
WILLIAM THOMPSON HOWARD,
HARRY VALENTINE ALBAUGII.
PIERCE BUTLER WILSON.
L.S.)