Mar. 23.] THE NEW ZEALAND GAZETTE. 807

Claims. — (1.) The method of treating sand-slimes or the like in metallurgical or similar operations by circulating and mixing the materials by means of air or gas without the aid of mechanical agitators in the manner specified for the purpose set forth, substantially as described and illustrated. (2.) The apparatus described for agitating, circulating, and mixing materials in metallurgical or similar operations by the aid of compressed air or gas without the aid of mechanical agitators or beaters, for the purpose set forth, substantially as described and illustrated. (3.) The apparatus consisting of the tank having a central pipe arranged therein in combination with means for introducing liquid and for distributing and discharging the same, and for supplying air to the same, substantially as and for the purpose specified. (4.) In apparatus of the kind specified, the devices consisting in one or more circular tubes or pipes fitted with nozzles or taps through which liquid is discharged and delivered into the conical part of the tank for the purpose set forth, substantially as and for the purpose specified.
(Specification, 6s. ; drawing, 2s.)

No. 17993.—31st May, 1904.—GEORGE SEATON STEVENSON, of Gore, New Zealand, Threshing-mill Owner. Improvements in water-wheels.*

Claims.—(1.) Improvements in water-wheels, comprising an adjusting water-wheel running loosely on the same shaft to which the larger power water-wheel is keyed, and mechanism whereby on the water rising and revolving said adjusting-wheel said shaft with its attachments rises, and on the falling of the water said shaft with its attachments descends, substantially as described. (2.) Improvements in water-wheels, comprising, in combination, two pillars erected athwart or in the current, lower and upper horizontal shafts mounted between said pillars and journalled in vertical beams slidable in guides on said pillars, a large water-wheel keyed to said lower shaft, a small water-wheel running loosely on said lower shaft, racks formed in said vertical beams, pinions on said upper shaft engaging in said racks, large and small sprocket-wheels secured to said upper and lower shafts respectively, and a chain connecting said sprocket-wheels, substantially as and for the purposes set forth. (3.) The general construction, arrangement, and combination of parts composing my improvements in water-wheels, all substantially as and for the purposes described.
(Specification, 2s. 6d. ; drawing, 1s.)

No. 18021.—10th June, 1904.—FRANCIS TEMPLE PAGE, of Dannevirke, Hawke’s Bay, New Zealand, Gentleman. An improved shackle.*

Claims.—(1.) The improved shackle, the same consisting of a length of wire formed into a loop at its centre, and with its ends bent round so as to form a link on each side of the loop, and the extremities of which are adapted to enter the loop from the opposite sides thereof and to be gripped therein, substantially as specified. (2.) The improved shackle, substantially as described and explained, and as illustrated in the drawings.
(Specification, 2s. 3d. ; drawing, 1s.)

No. 18357. — 23rd August, 1904. — WILLIAM MEDLIN RICHARDS, of Walton Street, off Boggo Road, Brisbane, Queensland, Australia, Assurance Manager; CHARLES JUDAH COHEN, of Fitzroy Street, Rockhampton, Queensland aforesaid, Assurance Manager; and ROBERT THOMAS, of Denham Street, Rockhampton aforesaid, Conveyancer. An automatic dry-earth closet.*

Claims.—(1.) Close-fitting half-lids covering pan, meeting in centre of top of pan. (2.) Perpendicular strikers attached to raised seat, acting on projecting ends of lids, to raise lids off pan when seat is pressed down, lids falling back on pan when weight is removed from seat; thus pan is always closed when not in use, preventing odours arising and insects and vermin of all descriptions entering pan. (3.) An earth-shoot at back of seat leading over pan, hopper at top for earth, double-action slide to emit certain quantity of earth attached by connecting-rod to hand-lever working in a bracket on wall, allowing excrement to be covered before rising by certain quantity of earth.
(Specification, 1s. 9d. ; drawing, 1s.)

No. 18499.—26th September, 1904. — THOMAS CHARLES HEMENT, of Hereford Street, Christchurch, New Zealand, Engineer. Improved ridging.*

Claim.—Improved ridging, the raised stamped heads along each side longitudinally of the ridging at intervals.
(Specification, 1s. ; drawing, 1s.)

No. 18663.—27th October, 1904.—GEORGE ALFRED ELLISS, of Lithgow, Monoline - operator, and PATRICK JOSEPH McGUIRE, of Goulburn, Gentleman, both of New South Wales, Australia. Improvements in billiard-tables.

Claims.—(1.) A billiard-table attachment consisting of a pair of inclined side races, a corresponding pair of end races connecting therewith, a central receiving-pocket situated at the “balk” end of the table, with another receiving-pocket at the “spot” end, and a cord or wire extending beneath the table for the purpose of releasing the ball from the central receiving-pocket, substantially as described and as illustrated. (2.) In a billiard-table attachment, a pair of inclined side races, a corresponding pair of end races connecting therewith, a central receiving-pocket situated at the “balk” end of the table, a longitudinal race underlying the centre of the table and connecting the central receiving-pocket at the “balk” end of the table with another receiving-pocket at the “spot” end, and a cord or wire extending beneath the table for the purpose of releasing the ball from the central receiving-pocket, all in combination with a billiard-table of ordinary construction, substantially as described and as illustrated.
(Specification, 3s. ; drawing, 1s.)

No. 18805.—5th January, 1904.—ROBERT CLARK, of Rossett, Wanstead, Essex, England, Managing Director of a Company. Improvements in the manufacture of blank books.
[NOTE.—This is an application under section 106 of the Act, the date given being the official date of the application in Great Britain.]

Claims.—(1.) The manufacture of blank books of the type having rubbered elastic backs by automatically perforating and folding and (if desired) ruling a continuous web of paper on the line of said perforations to produce the desired serrated back, substantially as described. (2.) The manufacture of blank books of the type having rubbered elastic backs by automatically perforating and folding on the line of said perforations to produce the desired serrated back, a continuous web of paper which is simultaneously numbered and (if desired) printed, and also perforated and ruled, and is finally cut into sheets, substantially as described.
(Specification, 2s. 6d.)

No. 19101. — 18th February, 1905. — ROBERT NOBLE ADAMS, Publisher, and ALFRED REGINALD HARDY, Accountant, both of Dunedin, New Zealand. Improved sash mover and lock.

Claims.—(1.) The general construction, arrangement, and combination of parts composing our sash mover and lock, all substantially as and for the purposes set forth. (2.) In a sash mover and lock such as described, a locking-plate provided with projecting pieces and a slot, as illustrated in Fig. 4, substantially as and for the purposes set forth. (3.) In a sash mover and lock such as described, means for rotating and locking the sliding spindle thereof, comprising, in combination, said sliding spindle having a slot and a channel in the outer end thereof, a key pivoted at one end in said slot and lying in said channel, a spiral spring between the channel and said key, a locking-washer for the free end of said key, a crank-handle slidable on said spindle, and a thumb-screw for said crank-handle and key, substantially as described.
(Specification, 4s. 6d. ; drawings, 3s.)

No. 19104. — 17th February, 1905. — EDWARD ALLEN PRESTON, of Workshops Estate, North Ipswich, Queensland, Australia, Railway-coachbuilder. A process for decarbonising enamelled-iron reflectors and removing stains from domestic and other enamelled ironware.

Extract from Specification.—The object of this invention is the restitution of carbonised and stained enamelled ironware to its normal condition, and is particularly applicable to the removal of the carbon absorbed by gas-reflectors and the stains from urinals, and consists in subjecting carbonised articles to a heat of about 600 degrees Fahrenheit and stained articles to about 800 degrees Fahrenheit in any type of oven capable of generating the required heat.
[NOTE.—The above extract from the specification is inserted in place of the claims.]
(Specification, 1s.)

No. 19106. — 19th December, 1904. — JOHN RAMAGE, of Balclutha, New Zealand, Plumber. Improvements in acetylene-gas generators and holders.

Claims.—(1.) The general construction, arrangement, and combination of parts composing my improvements in acety-