738
THE NEW ZEALAND GAZETTE.
[No. 30

in order to it that they shall lie in a line midway between two of the recesses in such row, as and for the purposes specified. (2.) In gold-saving appliances, a table arranged in sections, each of which sections is formed with a number of transverse rows of holes or recesses arranged in the manner set forth in the preceding claim, in combination with transverse ripples and gutters placed between each row of recesses, as and for the purposes described.
(Specification, 2s. 3d.; drawings, 1s.)

No. 12745. — 29th June, 1900. — WILLIAM THOMPSON PURVES, of 47, York Place, Edinburgh, Scotland, Civil Engineer. Improvements in carburetters.*

Claims.—(1.) In carburetters of the gravity-flow type, the employment of siphon “draw-off” pipes or their equivalent, so placed as to render the apparatus self-starting, substantially as described and illustrated. (2.) A travelling port for the regulation of the amount of carburation required, substantially as described and illustrated. (3.) For motive purposes, the employment of a subsidiary carburetter at a higher level than the motor, for the purposes set forth above. (4.) For motive purposes, a carburetter with a higher portion which shall be above the motor, for the purposes set forth above. (5.) The arrangement and combination of an automatic-closing device on the air-inlet, which is actuated by the cock or other similar device for the turning on or off of the gas, substantially as and for the purposes set forth.
(Specification, 5s.; drawings, 1s.)

No. 13088.—23rd October, 1900.—JOHN BURNS, of 143, City Road, South Melbourne, Victoria, Engineer. An improvement in or relating to pumps.*

Claims.—(1.) In a pump designed to contain water in its working-barrel when the pump-valves are defective, a working-barrel arranged within an outer casing whereby an annular space is provided, the intake of the pump being at the top of said annular space, said working-barrel extending upwardly into a separate delivery-chamber, communication being given between the delivery-chamber and the annular space referred to by a minute hole (or holes) in the material of which the parts of the pump are constructed, substantially as and for the purposes herein specified, and illustrated in the drawing. (2.) In a pump designed to contain water in its working-barrel when the pump-valves are defective, a working-barrel arranged within an outer casing whereby an annular space is provided, the intake of the pump being at the top of said annular space, and said working-barrel extending upwardly into a separate delivery-chamber, communication being given between the delivery-chamber and the annular space referred to by a minute hole or holes in the material of which the parts of the pump are constructed, said hole being fitted with an inverted U-shaped tube, substantially as and for the purposes specified and illustrated. (3.) In a pump designed to contain water in its working-barrel when the pump-valves are defective, a working-barrel arranged within an outer casing whereby an annular space is provided, the intake of the pump being at the top of said annular space, and said working-barrel extending upwardly into a separate delivery-chamber, communication being given between the annular space referred to and the delivery-chamber, and the extension of the working-barrel having a hole or holes through which water is allowed to escape from the delivery-chamber when, in consequence of defective pump-valves, water is escaping from the working-barrel, substantially as specified and illustrated. (4.) In a pump designed to contain water in its working-barrel when the pump-valves are defective, a working-barrel arranged within an outer casing whereby an annular space is provided, the intake of the pump being at the top of said annular space, and said working-barrel extending upwardly into a separate delivery-chamber, communication being given between the annular space referred to and the delivery-chamber by a hole fitted with a valve upon one end of a pivoted lever, the other end of said lever being provided with a float, the extension of the working-barrel having a hole or holes through which water is allowed to escape from the delivery-chamber when, in consequence of defective pump-valves, water is escaping from the working-barrel, substantially as specified and illustrated. (5.) The improvement in or relating to pumps, substantially as and for the purposes specified, and illustrated in the drawing.
(Specification, 5s.; drawings, 1s.)

No. 13260.—20th December, 1900.—JOHN LONG, of Springfield, Ohio, United States of America, Machinist. An improved mechanic’s bench-vise.

Claims.—(1.) An improved vise having a supporting cylindrical post, a fixed jaw revolubly mounted thereon, with an opening for the guide-bar of the movable jaw, and for a rocking block pivotally mounted therein bearing a nut, and arranged to be forced against the post by compressing the jaws, a guide-bar bearing a movable jaw arranged to slide in the fixed jaw, and a screw to compress said jaws, substantially as shown and described. (2.) An improved vise having a supporting cylindrical post, a fixed jaw revolubly mounted thereon with an opening for the guide bar of the movable jaw and for a rocking block, a rocking block pivotally mounted therein bearing a nut and arranged to be forced against the post by compressing the jaws and having rollers to bear the guide-bar, a guide-bar bearing a movable jaw arranged to slide in the fixed jaw, and a screw to compress said jaws, substantially as shown and described.
(Specification, 3s. 6d.; drawings, 2s.)

No. 13266.—20th December, 1900.—FRANCIS TEMPLE PAGE, of Penshurst, Pahiatua, New Zealand, Farmer. An improved wire-grip, to be used in conjunction with wire-straining appliances.*

Claims.—(1.) In gripping-appliances for use with wire-straining apparatus, a pair of gripping-pieces that are each loosely articulated upon one of the arms of a pair of spring lever-arms, one of such gripping-pieces being formed with turned-down triangular portions upon its edges, while the other gripping-piece is formed with correspondingly turned-up portions, as and for the purposes set forth. (2.) In appliances for gripping wires while being strained, a pair of spring arms joined together at one end, and at the other ends provided with gripping-pieces (such as those referred to in claim 1) loosely articulated thereupon, in combination with a pulling chain or cable attached to the spring arms and connected with the straining-apparatus, as specified.
(Specification, 2s. 6d.; drawings, 1s.)

No. 13323.—15th January, 1901.—WILLIAM STRUTHERS, of 62, Post Office Chambers, Pitt Street, Sydney, New South Wales, Engineer (assignee of James Welman, of 61, Post Office Chambers aforesaid, Engineer). Improvements in bucket dredges.

Claims.—(1.) In bucket dredges, the use of one or more hydraulic jets directed into each bucket while it is tumbling, and having travelling motion and operation in conformity with the movement of each said bucket at that time, substantially as described and explained. (2.) In a bucket dredge, the combination with linked buckets and a tumbler of a nozzle or nozzles adapted to have radial motion and to have a regulated intermittent supply of high-pressure water, substantially as described and explained. (3.) In a bucket dredge, the combination with linked buckets and a tumbler and a partially revolvable water-supply pipe with nozzles thereon, of the devices for imparting radial motion to said nozzles, substantially as described and explained and as illustrated in the drawings. (4.) In a bucket dredge, the combination with linked buckets and a tumbler and a partially revolvable water-supply pipe with nozzles thereon, of the devices for regularly and intermittently cutting off and supplying high-pressure water to said pipe, substantially as described and explained and as illustrated in Figs. 1 and 2 and in Fig. 4 respectively of the drawings.
(Specification, 5s.; drawings, 1s.)

No. 13332.—13th March, 1901.—JOHN JAMISON, of Princes Street, Dunedin, New Zealand, Draper. An improved emergency brake, especially applicable to hill cable-trams.

Claims. — (1.) A brake designed to control or bring to an almost instantaneous stand a hill cable-tram car, being operated upon by a cable-attachment in contact with a sliding block in the grip-slot, causing the wheel-brake to act in a wedge-like fashion on the wheel, side and top of the rail, impelled by a horizontal and perpendicular movement, as minutely set forth in the plans and specifications. (2.) In railroad- or street-cars, a brake acting in a wedge-like fashion on wheel, side and top of rail, impelled by a horizontal and perpendicular movement as aforesaid, produced by foot- or lever-pressure from either end of the car, as described. (3.) In railway goods-wagons, a brake acting as in (2), operated on from either side of the wagon, but from one end only, as set forth.
(Specification, 2s. 3d.; drawings, 1s.)

No. 13367.—30th January, 1901.—CHARLES MARSHALL BUCKWORTH, of Whakatane, Auckland, New Zealand, Contractor. An improved method of branding and marking cheese.*

Claims. — (1.) The method of branding and marking cheese by the use of the plate letters, figures, or devices,