May 15.] THE NEW ZEALAND GAZETTE. 1091

Claims.—(1.) The improvements in seed-sowers consisting of a seed-box containing seed, a feed-duct from said seed-box to a compartment below, an outer drum in said compartment mounted on and revolved by a shaft, perforations round said drum, a stationary drum within said outer drum, an aperture on said stationary drum, and a tube leading therefrom to the coulter, substantially as and for the purposes set forth. (2.) In a seed-sower, a perforated drum rotatable in a compartment round a stationary drum, and adapted to convey seed to an aperture in said stationary drum so as to fall into a tube leading therefrom to the coulter of a drill or like machine, substantially as and for the purposes set forth. (3.) In a seed-sower, comprising a drum rotatable in a compartment, perforations in said drum as illustrated in Fig. 8, and substantially as and for the purposes set forth. (4.) The general construction, arrangement, and combination of parts composing my improvements in seed-sowers, all substantially as and for the purposes described with reference to the drawings.
(Specification, 4s. 6d.; drawings, 1s.)

No. 14499.—6th February, 1902.—WILLIAM TAYLOR, of the firm of Taylor Bros., of Midland Foundry, Sandiacre, Derby, England, Engineer. Shunting-levers or appliances for operating points and signals on railways and tramways, and for other like purposes.

Claims.—(1.) A shunting-lever or appliance for operating and locking points or switches, and signals, on railways and tramways, or for other like purposes, consisting essentially of a helical element or screw of quick pitch, and a corresponding nut thereon adapted to traverse and operate said screw through the medium of a hand-lever (or its equivalent), the nut being provided with means to guide it in its reciprocations, and the screw with means for attachment to the rod actuating the points or switches, or the signals, substantially as described. (2.) A shunting-lever or appliance for operating and locking points or switches, and signals, on railways and tramways, or for other like purposes, consisting of two helical elements or screws of quick pitch, one being a right-handed helix and the other a left-handed helix, and a corresponding twin nut thereon adapted to traverse and operate said screws through the medium of a draw-bar (or its equivalent) secured to said nut, one of the screws being provided with means for attachment to the rod actuating the points or switches, or the signals, substantially as described. (3.) A shunting-lever or appliance for operating and locking points or switches, and signals, on railways and tramways, or for other like purposes, in which the nut is restrained from longitudinal movement, and the helical element or screw is adapted to traverse it through the medium of a hand-lever (or its equivalent) passing through a slot in one end of the screw, said nut being provided with means for attachment to the rod actuating the points or switches, or the signals, substantially as described. (4.) The improved shunting-levers or appliances for operating and locking points or switches, and signals, on railways and tramways, or for other like purposes, constructed and arranged to operate substantially as described with reference to Figs. 1 to 4, or to Fig. 5, or to Figs. 6 and 7, of the drawings.
(Specification, 6s.; drawings, 2s.)

No. 14589.—6th March, 1902.—ELLIOT’S PATENT IMPROVED DOMESTIC PIN COMPANY (LIMITED), a company registered according to the laws of the State of New South Wales, having their office at 70, Pitt Street, Sydney, New South Wales (assignees of Robert Newton Elliot, of “Woodbrooke,” Lindfield, near Sydney aforesaid, Financial Broker). Improved domestic pins.

Claim.—Improved domestic pins in which between the head and point are corrugations, or crinkles, or waves, or kinks, or twists, substantially as described and explained.
(Specification, 1s. 6d.; drawings, 1s.)

No. 14707.—5th April, 1902.—FREDERICK MERCER, of Marton, Rangitikei, New Zealand, Hairdresser; THOMAS MERCER, of Stratford, Taranaki, New Zealand, Hairdresser; and GEORGE DAVID JOHN DUCK, of Marton aforesaid, Painter. An improved sprayer.

Claims.—(1.) In apparatus for spraying liquids or powders, the use of a metal or flexible tube having smaller flexible tubes leading from it connecting the compressed-air chamber with the vessel or vessels in which the material to be sprayed is placed, arranged substantially as described, and illustrated in the drawing. (2.) In apparatus for spraying liquids or powders, the use of a metal or flexible tube having smaller flexible tubes leading from it connecting the compressed-air chamber with the vessel or vessels in which the material to be sprayed is placed, in conjunction with the stopcocks arranged substantially as described, and illustrated in the drawing.
(Specification, 2s. 3d.; drawings, 1s.)

No. 14718.—4th April, 1902.—VALENTINE SAMUEL ASTON, of Gisborne North, New Zealand, Plumber. An improved process for extracting gum and albuminous matter from Phormium tenax and other fibres for rope-making.*

Claim.—Subjecting the newly stripped fibres to the action of a hot solution first of alum and second of chloride of sodium, all in the manner specified.
(Specification, 2s. 3d.)

No. 14768.—16th April, 1902.—FRANK HENRY SLEEPER, of 4825, St. Catherine Street, Westmount, Quebec, Canada, Mechanical Engineer, and ALBERT EDWARD MAHON, of 301, St. James Street, Montreal, Quebec aforesaid, Merchant. Improvements in engines.

Extract from Specification.—This invention consists essentially of a chamber, or series of chambers, each having a flexible wall, and provided with an inlet and outlet, and valves therefor, designed to admit and release steam or other expansile fluid, a plurality of blades having a hinged connection to an outer casing and folding inwardly to form the said flexible wall, and preferably joined one to the other by a knuckle-joint, suitable roller-bearings, and slots in the edges of the blades to admit of packing, a steam-chest adjacent to the aforesaid chamber, an intermediary connecting the flexible wall with a crank or eccentric on the main shaft, whereby the outward movement of the flexible wall will rotate the shaft, and a valve-gear, preferably consisting of a plurality of toggle-joints, designed to operate the valves in turn for the admission and release of the expansile fluid, the various parts being constructed in detail.

[NOTE.—The number and length of the claims in this case preclude them from being printed, and the foregoing extract from the specification is inserted instead.]
(Specification, 14s. 6d.; drawings, 3s.)

No. 14775.—18th April, 1902.—CHRESTEN ANDREAS EDUARD ANDERSEN, of Valby, near Copenhagen, Denmark, Civil Engineer. Improvements relating to centrifugal separators.

Claim.—By a centrifugal separator, the arrangement that the liquid is fed into the separating-chamber through a cylindrical annular feeding-passage corresponding with the space in the separating-chamber in which the liquid, when the separator is working and completely filled, has the same specific gravity as the original liquid.
(Specification, 4s. 6d.; drawings, 1s.)

No. 14779.—22nd April, 1902.—THOMAS RANGIWAHIA ELLISON, of Wellington, New Zealand, Solicitor. An attachment to cycles to be used as a hand-rest or parcel-carrier.

Claim.—An attachment to bicycles and the like, such attachment consisting of flat springs clamped to the handlebar upon each side of the head-stock and bowed inwards and upwards, and a bar of wood or other suitable material resting upon and secured to the free ends of such springs, as and for the the purposes set forth.
(Specification, 2s.; drawings, 1s.)

No. 14780.—22nd April, 1902.—FRANK HENRY AUSSEL, of Wellington, New Zealand, Coal-lumper. Improvements in the under-frames of vehicles.

Claim.—Constructing the under-frames of vehicles with bars laid longitudinally beneath each side of the body, such bars being supported by springs upon the axle or by the axle itself, and connected to the body by means of flat springs fastened at their lower ends to the longitudinal bars upon each side, and at the other ends to the bottom of the body upon the other side to that upon which the lower ends are secured, as specified.
(Specification, 2s. 3d.; drawings, 1s.)

No. 14784.—12th April, 1902.—PETER SIVERTSEN, of Hanover Street, Dunedin, New Zealand, Inventor. Improvements in artificial fertilisation.

Claims.—(1.) In fertilising soil, the impregnating it with the gases obtained by combustion, saturating and impregnating the soil with these gases by the apparatus, substantially