1630
THE NEW ZEALAND GAZETTE.
[No. 74

rotate, of means to rotate said amalgamating-cylinders and
means to supply ore to the same, substantially as described.
(9.) In apparatus to recover metals from ore, the combina-
tion with a rotatable amalgamator made to contain ore-
pulp, of means to supply said amalgamator with ore-pulp,
of means to rotate said amalgamator, of a quantity of
mercury arranged within said amalgamator, and of suction-
means arranged to dip down under the ore-pulp and draw
off the heavy portion of ore-pulp from the surface of said
mercury while the amalgamator is in motion, substantially
as described. (10.) In apparatus for recovering metals from
their ores, the combination with two rotatable cylinders
having amalgamating-surfaces and one of said cylinders
arranged to rotate within the other, of means to prevent the
amalgamating-surfaces of the two cylinders from coming in
contact with each other, of a body of mercury arranged in
the outer cylinder sufficient in quantity to cause the amal-
gamating-surface of the inner cylinder to dip therein, of
means to supply the cylinders with ore and water, of means
to rotate the cylinders, and suction-means to draw off ore-
pulp tailings from the cylinders during their rotation, sub-
stantially as described.
(Specification, 19s. ; drawings, 4s.)

No. 13643.—23rd May, 1901.—GEORGE MACKENZIE, of
New Sandgate Road, Clayfield, Brisbane, Queensland,
Builder. A new or improved combination cabinet bath.

Claims.—(1.) In a new or improved combination cabinet
bath, a door having the upper portion provided with an
inner frame hinged to the centre rail, said upper portion
being provided with an opening for the head, and a slide to
fit round the neck, or closing the opening altogether, as
described and illustrated. (2.) In combination with a
cabinet bath, a door such as is claimed in the preceding
claim, said cabinet being furnished with a rebated ledge for
the reception of the upper portion of the door when let
down, as described, and illustrated in the drawings.
(Specification, 3s. 6d. ; drawings, 1s.)

No. 13650.—25th May, 1901.—ARTHUR CHARLES ATKIN,
of Auckland, New Zealand, Coachbuilder. A combined axle-
nut and oil-cap for wheels of vehicles and suchlike.*

Claims.—(1.) The combined axle-nut and oil-cap, having
within it an oil-reservoir screwed on to the outer end of the
axle-arm, through which oil is conveyed by a channel or
feeder to a groove on under-part of arm next to box, for the
purpose set forth, substantially as described and illustrated.
(2.) In connection with the combined nut and oil-cap, a con-
ductor or feeder leading from outer end of arm and reservoir
within said combined nut and oil-cap to groove in under-part
of arm next to box, for the purpose set forth, substantially as
described and illustrated. (3.) In combination, the combined
axle-nut and oil-cap, and oil-reservoir within same, screwed
on to the outer end of axle-arm, having the conductor or
feeder leading from said outer part of axle-arm and reservoir
to groove on said under-part, said groove, said axle-arm, and
box, and washer fitting between said nut and said axle-arm,
all for the purpose set forth, substantially as described and
illustrated.
(Specification, 1s. 9d. ; drawings, 1s.)

No. 13746.—20th June, 1901.—CHRISTIAN LUDWIG GAL-
SCIOT, of Forhaabningsholms, Alle 8, Copenhagen, Denmark,
Engineer. Improvements in apparatus for cooling granular
and similar materials.

Claims.—(1.) Apparatus for cooling granular and similar
material, wherein the material to be cooled is passed in a
layer over a series of shelves or steps forming an incline or
shoot, air at the same time being drawn through the mate-
rial so as to absorb heat therefrom, substantially as de-
scribed. (2.) Apparatus for cooling granular and similar
material, in which the material to be cooled travels in a
layer over a series of steps or shelves forming an incline or
shoot, to which a rocking or jogging motion is imparted, air
being at the same time drawn through the material. (3.) Apparatus for cooling granular and similar material,
constructed, arranged, and operating substantially as de-
scribed with reference to and shown in the drawings.
(Specification, 3s. 6d. ; drawings, 1s.)

No. 13793.—6th July, 1901.—WILLIAM DOWNING, Carpenter
and Joiner, and WILLIAM LEGERTWOOD DAVIDSON, Carpenter
and Joiner, both of Mackenzie, Cheviot, New Zealand. An
improved machine for pressing, cutting, and printing butter.

Claims.—(1.) In an improved machine for pressing,
cutting, and printing butter, the butter-box being provided
with tapered shoulders, also hopper, in combination with
the ram, which is worked from crank, for the purposes as
substantially described, and shown on drawing. (2.) In an
improved machine for pressing, cutting, and printing butter,
the combination of cutter and printer, being detachable for
alteration, or to receive as many cutters and printers as
required, with the eccentric movement for raising and
lowering, as substantially described and shown. (3.) The
combination and arrangement of parts comprising our im-
proved machine for pressing, cutting, and printing butter,
substantially as and for the purposes set forth.
(Specification, 5s. 6d. ; drawings, 1s.)

No. 13830.—19th July, 1901.—MARTIN NELIANDER OLSON,
of Mangatainoka, New Zealand, Factory-manager. Im-
proved means for automatically weighing out and registering
milk and other liquids.

Claims.—(1.) In appliances for measuring milk and other
liquids, a measuring-vessel divided into halves, each of right-
angled-triangle section, and supported upon pivots within a
receiving-chamber, in such a manner that the vessel shall
tip alternately to each side as that half is filled, and at the
same time place the other half in a position to be filled, as
specified. (2.) A measuring-vessel divided into halves, each
of right-angled-triangle section, and supported upon pivots
in such a manner that the vessel shall be capable of tip-
ping alternately to each side, as liquid is run into it, in com-
bination with means whereby each tip shall be indicated
upon a dial, and with means whereby the flow of liquid to
the measuring-vessel may be shut off when a predeter-
mined quantity has been run out, as specified. (3.) In appli-
ances for measuring and registering milk and other liquids, a
circular disc or ring secured to the side of a receiving-cham-
ber and divided off into equal divisions, a drum loosely
mounted upon a spindle and provided with an indicating-hand
in front of the dial and with an arm at right angles to the hand,
to the extremity of which is secured a weighted cord, an escape-
ment-wheel mounted upon the spindle behind the drum and
adapted to be secured thereto, a pallet above the escape-
ment-wheel and engaging with the teeth thereof, such pallet
being mounted upon a shaft to which a reciprocatory rocking
motion is imparted by means of a tipping measuring-vessel
within the receiving-chamber, engaging alternately with each
of a pair of cranks secured to the pallet-shaft, as set forth.
(4.) In appliances for measuring and registering milk and
other liquids, a conducting-pipe leading to a measuring-
vessel, the opening into such pipe being covered by a weighted
valve provided with a stem for guiding it on to its seat, and
connected by means of a cord and bell-cranks levers to a
plate that is adapted to be hung upon a pin, and thus
keep the valve open, in combination with a projection upon a
revolving hand adapted to engage with and push the plate off
the pin when the hand reaches a certain point, thus allowing
the valve to fall on to its seat, as specified. (5.) The general
arrangement, construction, and combination of parts in my
improved means for automatically weighing out and register-
ing milk and other liquids, as described and explained, as
illustrated in the sheet of drawings, and for the several
purposes set forth.
(Specification, 8s. 6d. ; drawings, 1s.)

No. 13842.—24th July, 1901.—EUGEN SCHILZ, of Johannes-
burg, South Africa, now residing at Bahnhofstrasse, Mainz,
Germany. An improved extraction of gold-ores.

Claim.—The improvement of the extraction of gold-ores
by means of cyanide-solutions, which improvement consists
in mixing the finely divided gold-ores, concentrates, resi-
dues, slimes, tailings, or the like, thoroughly with peroxide
of barium (BaO₂) or with a mixture of BaO₂ and BaO during
or before their treatment with cyanide-solutions, substan-
tially as described.
(Specification, 10s.)

No. 13846.—25th July, 1901.—JOHN CHARLES MILLER,
of Canton, Ohio, United States of America, Dairyman. An
improvement in process and apparatus for sterilising and
cooling liquids.

Claims.—(1.) The process of sterilising liquids which con-
sists of the following steps: Suddenly raising the tempera-
ture of the liquid uniformly to the required degree, subjecting
it to the atmospheric air to liberate therefrom all gases and
fumes, and suddenly and continuously, without pause,
reducing its temperature. (2.) In an apparatus of the
character described, the combination with a steriliser com-
prising a tub, two cylinders placed within the tub, one
within the other, one of the said cylinders being provided
with a feed-screw which works against the other cylinder,
of a steam or hot-water pipe located within the tub exterior
to the cylinders, and an injector located in the tub to eject
the water therefrom, and inject it into the innermost