1376
THE NEW ZEALAND GAZETTE.
[No. 63

web or band E, the rear side of which is provided with stops K, such stops being placed intermediately between adjacent advertisements on the face of the band E, and the grooved rollers F, G, H, J, all as and for the purposes specified. (4.) The general arrangement, construction, and combination of parts in my improved apparatus for advertising, as described, and for the several purposes specified. (Specification, 3s. 6d.; drawings, 1s.)

No. 13456.—7th March, 1901.—CHARLES GABRIEL SUDRE, of 12, Boulevard St. Marcel, Paris, France, Mining Engineer, and CHARLES VICTOR THIERRY, of 11, Rue Meynadier, Paris aforesaid, Consulting Engineer. Improvements in the treatment of oxides of metals or metalloids, or compounds of same, for obtaining new products therefrom.

Claims.—(1.) As a new article of manufacture, an amorphous, vitreous, and homogeneous material obtained from such of the oxides of metals, or metalloids, or compounds of same, as are refractory below the fusing-point of pure alumina, substantially as described. (2.) As a new article of manufacture, an amorphous, vitreous, and homogeneous material obtained from such of the oxides of metals, or metalloids, or compounds of same, as are refractory below the fusing-point of pure alumina when same have been melted by radiant heat and resolidified. (3.) As a new article of manufacture, an amorphous, vitreous, and homogeneous material obtained from such of the oxides of metals, or metalloids, or compounds of same, as are refractory below the fusing-point of pure alumina when same have been melted by radiant heat, suddenly cooled, and subsequently reheated. (4.) The process of producing an amorphous, vitreous, and homogeneous material which consists in subjecting the oxides of metals, or metalloids, or compounds of same, which are refractory below the fusing-point of pure alumina, directly to radiant heat in a vacuum or neutral atmosphere, and, after fusing, subsequently cooling with sufficient rapidity to prevent crystallization, substantially as described. (5.) The process of producing an amorphous, vitreous, and homogeneous material which consists in subjecting the oxides of metals, or metalloids, or compounds of same, which are refractory below the fusing-point of pure alumina, directly to the radiant heat of an electric arc, in a vacuum or neutral atmosphere, the electrodes being out of contact with the material, and the layer of material being of such a thickness as to prevent the heat radiated passing therethrough, and, after such fusing, subsequently cooling with sufficient rapidity to prevent recrystallization, substantially as described. (6.) The process of producing an amorphous, vitreous, and homogeneous material which consists in subjecting the oxides of metals, or metalloids, or compounds of same, which are refractory below the fusing-point of pure alumina, to a preliminary heating, in then subjecting them directly to the radiant heat of an electric arc in a vacuum or neutral atmosphere, the electrodes being out of contact with the material, and the layer of material being of such a thickness as to prevent the heat radiated passing therethrough, and, after such fusing, subsequently cooling and then reheating, substantially as described. (Specification, 12s.; drawings, 1s.)

No. 13532.—11th April, 1901.—COLOUR PRINTING SYNDICATE, LIMITED, of 7, Arundel Street, Strand, London, England (assignees of George Henry Holgate, of the Hotel Great Central, Marylebone, London aforesaid). Improvements in presses for printing in colours.

Claims.—(1.) In a printing-machine, a revoluble platen formed with diametric channels, an endless carrier moving with the platens, grippers upon the carrier adapted to enter the channels and grasp a sheet, mechanism for presenting quadrant surfaces of the sheet upon the platens in alternation, and impression-rollers in contact with the quadrant surfaces. (2.) In a printing-machine, revoluble platens, presenting in their revolution quadrant surfaces, impression-rollers moving coincidently therewith, a revoluble carrier upon the platens, means connected with the carrier for gripping a sheet of paper, and connections upon the carrier for attachment with the platen to move the sheet to present a space to the quadrant, and means for releasing the sheet when operated upon by the four quadrants of the platen. (3.) In a printing-machine, revoluble platens divided into quadrants by longitudinal channels, an endless carrier encircling the platens, receptacles upon the carrier adapted to enter the channels, gripper arms pivoted within the receptacles, a movable cam shaft for actuating the grippers, means for unlocking the grippers when actuated, and means for unlocking the grippers when each quadrant has been passed. (4.) In a printing-machine, revoluble platens formed with diametrically opposed channels, impression-cylinders revolving in coincidence with the platens, gripping-mechanism moving in the channels, and connected

by a carrier to actuate the platens to present a quadrant surface in alternation to the impression-cylinders, a transversely movable rod for actuating the grippers, inclines upon the machine for actuating the rod, a rod for locking the gripper when actuated, and means for releasing the lock, and means for locking the gripper to each platen in alternate order. (Specification, 6s.; drawings, 1s.)

No. 13671.—31st May, 1901.—WILLIAM NORRINGTON JONES, of Momohaki, New Zealand, Dairy Farmer. Improvement in buckets for milking purposes.

Claims.—(1.) A bucket which stands at an angle from the ground convenient for milking into, such bucket being made with straight lines as set forth, and shown in Fig. 1. (2.) A bucket which stands at an angle from the ground convenient for milking into, such bucket being made with a joint as set forth, and shown in Fig. 2. (Specification, 1s.; drawings, 1s.)

No. 13672.—29th May, 1901.—HENRY WILKINSON and WILLIAM WILKINSON, both of Surrey Crescent, Arch Hill, Auckland, New Zealand, Labourers. A novel method of and means for converting nightsoil into manure.

Claim.—The method of using guano as an absorbent, and the method adopted for turning over manure while in the process of drying in the kiln by means of a turnover that can be worked outside of kiln; and the process generally as set forth, and illustrated in the drawings. (Specification, 3s. 3d.; drawings, 1s.)

No. 13683.—6th June, 1901.—ALEXANDER MARTIN, of Clarence Street, Sydney, New South Wales, Trustee and Executor of the will of the late James Martin, trading at Sydney aforesaid as “James Martin and Co.,” Machinery Merchants (assignee of Joseph Lindsay Schmidt, of Pitt Street, Sydney aforesaid, Photographer). Improvements in apparatus for generating gas from carbides, and for cooling and purifying same.

Claims.—(1.) In apparatus for producing gas from carbides, the combination with a gasholder and an automatic device for supplying water when the bell of the holder falls below a predetermined point, of a gas-generator consisting of a chamber containing a series of carbide-trays superimposed on one another and set within a bucket, said bucket being perforated near its upper edge, and said carbide-trays also perforated through their sides, a water-sealed bell for closing said chamber, and a distillation or settling chamber into which the produced gas is passed to extract moisture before it enters the gasholder, substantially as described. (2.) In apparatus for generating gas from carbides, the combination with apparatus, as set forth in the preceding claiming-clause, of a dish head on the bell of the generator to contain water for the purpose of cooling the produced gas, and preventing the carbide-trays from rising, substantially as described. (3.) In a generator for producing gas by the contact of water with metallic carbides, a series of carbide-trays which are divided transversely by a diaphragm into two compartments, perforations in the wall of one of these compartments, a bucket for containing a number of carbide-trays superimposed, and one or more perforations near the top of said bucket, and means for raising the level of the water in the chamber in which said bucket is placed when a further supply of gas is required to be produced, whereby water is caused to enter the bucket through the perforations, and, rising about the trays, to enter the compartments thereof successively through the perforations and over the diaphragms, substantially as described. (4.) The combination with apparatus, as set forth in the preceding claiming-clauses numbered 1 and 3, of a down-take pipe for carrying off the produced gas, said pipe dipping into a water-well formed in the distillation-chamber by fitting a diaphragm therein, and said well having a lip external to the generator connected with it through a hole, the upper edge of said lip being lower than the top of the diaphragm, whereby any overflow of water will be external to the generator, substantially as described with reference to Fig. 3 of the drawings. (5.) In apparatus for producing gas from carbides, the combination of a bottomless distillation-chamber adapted to be set in a dish containing water to form a water-seal, the lip of said dish being at a lower level than the gas take-off pipe, whereby any overflow will be external to the generator, and will not be forced through the gaspipe into the holder, substantially as described. (Specification, 10s. 6d.; drawings, 1s.)