Aug. 20.] THE NEW ZEALAND GAZETTE. 1847

bined that the conveyor works in co-operation with both the roller and the side or bottom of the trough, for the purpose described. (6.) In a mixing and kneading machine, the combination of a lobed kneading-roller with a screw conveyor arranged adjacent to the roller, the conveyor having eccentrically working blades, or being otherwise so constructed or mounted that the edges of its blades will work close to the roller and follow the contour of its periphery, for the purpose described. (7.) In a machine of the class described, comprising a kneading-roller and a conveyor parallel thereto and co-operating therewith, for the purpose described, the construction of the conveyor with oppositely inclined sections so as to move the material in different directions and thus either compress it together or tear it apart, substantially as set forth.
(Specification, 6s.; drawings, 4s.)

No. 16664.—20th July, 1903.—JOHN VOLKNER, of 118, Grey Street, Auckland, New Zealand, Tinsmith. An improved spark-arrester.

Claims.—(1.) An improved spark-arrester comprising the parts combined, arranged, and operating substantially as specified and illustrated. (2.) A spark-arrester comprising, in combination, a chimney and a helix of reticular material arranged therein, substantially as specified and illustrated. (3.) A spark-arrester comprising, in combination, a chimney, a helix of reticular material arranged therein, and a cap-piece fitting the top of said chimney, substantially as specified and illustrated.
(Specification, 1s. 9d.; drawings, 1s.)

No. 16666.—21st July, 1903.—ROBERT LATIMER ADAMS and DAVID ADAMS, both of Wellington, New Zealand, Builders (nominees of Maximus Eugene Loose, of Napoleon, Ohio, United States of America). A wall-plaster and boiler-covering used for and in connection with the erection and completion of buildings and the covering of boilers and pipes to retain heat.

Claim.—The invention of a composition of matter comprising calcined plaster, cement, clay, lime, fibre, and stucco-retarder in the proportions substantially as described.
(Specification, 2s. 3d.)

No. 16668.—22nd July, 1903.—AUGUST HEINRICH WILHELM WEDLER, of 141, Rundle Street, Adelaide, South Australia, Umbrella-manufacturer. Improvements in device for fastening, adjusting, and locking window-sashes.

Claims.—(1) A sash-fastening device comprising, in combination, the following parts secured to the lower sash—namely, a barrel, a piston of the construction shown, a quarter-eccentric cam-piece pivotally attached to the said piston, a coil spring acting to project the said piston, a key-lock upon the said barrel, a key fitting into such lock; and the following parts secured upon the upper sash—a receiver-bed, an extension-arm adapted to lie horizontally or to be raised erect, a spring for retaining the said arm in its erect position, and a hinge-pin which carries the said extension-arm and the said spring and is bored with a fixed receiver-hole, the said arm having a series of receiver-holes in a vertical line with the fixed receiver-hole and with the piston when said arm is erect, and having also a bevelled receiver-lip adapted when the arm is in horizontal position to allow the piston to automatically slide into the fixed receiver-hole, substantially as described. (2.) A sash-fastening device comprising, in combination, the following parts secured to the lower sash—namely, a barrel, a piston, a quarter-eccentric cam-piece pivotally attached to the said piston, a coil spring acting to project the said piston; and the following parts secured upon the upper sash—a receiver-bed, an extension-arm adapted to lie horizontally or to be raised erect, a spring for retaining the said arm in its erect position, and a hinge-pin which carries the said extension-arm and the said spring and is bored with a fixed receiver-hole, the said arm having a series of receiver-holes in a vertical line with the fixed receiver-hole and with the piston when said arm is erect, and having also a bevelled receiver-lip adapted when the arm is in horizontal position to allow the piston to automatically slide into the fixed receiver-hole, substantially as described. (3.) A sash-fastening device comprising, in combination, the following parts secured to the lower sash—namely, a barrel, a piston of the construction shown, a quarter-eccentric cam-piece pivotally attached to the said piston, a coil spring acting to project the said piston; and the following parts secured upon the upper sash—a receiver-bed with a receiver-hole, and a bevelled lip adapted to allow the piston-head to automatically slide into the receiver-hole in the fixed bed, substantially as described. (4.) A sash-fastening device comprising, in combination, the following parts secured to the lower sash—namely, a barrel, a piston of the construction shown, a quarter-eccentric cam-piece pivotally attached to the said piston, a coil spring acting to project the said piston, a key-lock upon the said barrel, a key fitting into such lock; and the following parts secured upon the upper sash—a receiver-bed with a receiver-hole, and a bevelled lip adapted to allow the piston-head to automatically slide into the hole in the receiver-bed, substantially as described. (5.) In a sash-fastening device, the barrel and bed, the piston of the construction shown, the quarter-eccentric cam-piece pivotally attached to the said piston, and the coil spring acting upon the said piston, all attached to the lower sash, in conjunction with a suitable receiver-device upon the upper sash, substantially as described. (6.) In a sash-fastening device, the receiver-bed with fixed receiver-hole, and the receiver-arm pivoted thereto and pierced with holes, and having the bevelled lip at right angles to the arm, substantially as described. (7.) In a sash-fastening device, the receiver-bed, the hinge-pin having a fixed receiver-hole, and the arm pivoted upon said pin having a series of holes vertical with the fixed hole and with the engaging piston-head when the arm is erect and the bevelled lip horizontal, substantially as described. (8.) In a sash-fastening device, the receiver-bed, the hinge-pin having a fixed receiver-hole, and the arm pivoted upon said pin having a series of holes vertical with the fixed hole and with the engaging piston-head when the arm is erect and the bevelled lip horizontal, and means such as the flat spring for holding the arm in erect position, substantially as described. (9.) In sash-fastening devices, the safety-lock which consists of a vertical tubular portion projecting from the barrel, a bolt screwably mounted therein with an enlarged foot at its lower end and a key fitting at its upper end whereby it is turned home and brought into engagement behind the collar on the piston, substantially as described. (10.) The combination and arrangement in a vertical line when in operative adjustment of the fixed receiver-hole, the adjustable receiver-holes, and the engaging piston, substantially as described.
(Specification, 6s.; drawings, 2s.)

No. 16677.—24th July, 1903.—ARTHUR WARNER HOOKE, of Redfern, Sydney, New South Wales, Australia, Assayer and Metallurgist. An improved process for the preparatory treatment of kaolin, battery slimes, and other similar earthy material prior to the extraction therefrom of the gold or other precious metals contained therein.

Claim.—In the preparatory treatment of kaolin, battery slimes, and other similar earthy material prior to the extraction therefrom of the gold or other precious metals contained therein, the combination of the several steps in the process described, and consisting of the drying of the material, the breaking-up of the same into lumps, and the burning of the same in kilns, substantially as described.
(Specification, 2s. 3d.)

No. 16687.—20th July, 1903.—GIBSON PIERCE MARTIN, of Kelso, New Zealand, Saddler. Improvements in fastenings for animal-covers.

Claims.—(1.) The general construction, arrangement, and combination of parts composing my improvements in fastenings for animal-covers, all substantially as and for the purposes described. (2.) The improvements in fastenings for animal-covers, comprising a belly-band consisting of two straps secured to the cover on each side thereof at three or more points, substantially as and for the purposes set forth.
(Specification, 1s. 9d.; drawing, 1s.)

No. 16688.—25th July, 1903.—ALEXANDER WILLIAM MARTIN, of 26, Smith Street, Dunedin, Otago, New Zealand, Hernia Specialist. An improved hernial appliance.

Claims.—(1.) The improved hernial appliance consisting of the parts arranged, combined, and operating substantially as and for the purpose described, and illustrated in the drawings. (2.) A hernial appliance comprising a spring band adapted to encircle the body and to be connected at the back of the wearer, pads upon the ends, and a compress adjustable upon said band, the compress being provided with a spring whereby it normally presses towards the body of the wearer, substantially as and for the purposes specified and illustrated. (3.) In a hernial appliance, a band adapted to pass around the body of the wearer, means for connecting the ends of said band, and a compress adjustable upon the band, said compress being carried upon a stud which is secured to the band by a