May 28.] THE NEW ZEALAND GAZETTE. 1301

No. 15269.—18th August, 1902.—JAMES N. HANCOCK, of Centre Bush, Southland, New Zealand, Schoolmaster. An improved envelope.*

Claim.—In envelopes, a flap provided with an extension-piece or tongue that is gummed upon its outer surface, in combination with a slit formed in the back of the envelope through which the tongue is adapted to be passed when the flap is folded down in such a manner that it will pass straight down and seal itself against the inside back of the envelope, substantially as described and explained.
(Specification, 1s. 9d.; drawing, 1s.)

No. 15350.—4th September, 1902.—GEORGE HENRY CATT, of Villa Amalthea, Hyde, Southampton, Hampshire, England, Justice of the Peace for the County of Hampshire. Improvements in the wheels of boot-finishing machines.*
[NOTE.—The title in this case has been altered. See List of Provisional Specifications, Gazette No. 75, of the 18th September, 1902.]

Claims.—(1.) In the scoring-wheels of boot-finishing machines, a clamping-device consisting of a flange having an inwardly projecting arm secured to the movable portion of the outer layer upon said wheels, and a flange having inwardly projecting arms between which the arm from the moveable flange is inserted, the arms being bored out and locked by a rod operated from outside the wheel, substantially as described. (2.) In a clamping-device for the scoring-wheels of boot-finishing machines, the combination of a flange secured to the wheel, and of arms fast to said flange and projecting inwardly of said wheel, the underlayer being secured at one end against said flange and around the wheel; with a flange fast to a segment secured to the movable end of said underlayer, said moveable flange having an arm adapted to engage the arms from said fixed flange; and with a locking-rod carrying a coiled spring, said rod being mounted in a lug upon said wheel, said spring being retained between a projection upon said rod and the said lug, and said rod being arranged to pass through the arms from said flange; substantially as described. (3.) In wheels for scoring the soles of boots, the combination with the wheel provided peripherally with glass paper or the like, of cheek-plates upon the sides of the wheel and projecting slightly beyond the normal position of the scoring material, for the purposes and substantially as described.
(Specification, 6s.; drawing, 2s.)

No. 15356.—4th September, 1902.—PERCY HERBERT DANDO, of Whangarei, New Zealand, Cabinetmaker. Improvements in chamber-utensils and attachments therefor.*

Claims.—(1.) The article of manufacture, consisting of a chamber having, for the purpose set forth, a projection from the interior of one side formed as a ridge with sides that slope downwardly and transversely, said sides joining the ridge with the interior wall of the chamber. (2.) The article of manufacture, consisting of a chamber having, for the purpose set forth, a projection from the interior of one side formed as a ridge with sides that are downwardly curved and of concave conformation in cross-section, said sides joining the ridge with the interior wall of the chamber. (3.) The combination with a chamber of means for the purpose set forth, comprising a downwardly projecting detachable side attachment provided with downwardly and transversely sloping side walls. (4.) The combination with a chamber of means for the purpose set forth, comprising a downwardly projecting detachable side attachment provided with a central longitudinal rib and concave side walls. (5.) The combination with a chamber having a slot in the rim thereof of means for the purpose set forth, comprising a downwardly projecting detachable side attachment provided with a curved hook at the upper end thereof adapted to rest in said slot and engage the rim of said chamber for supporting the same thereon flush with the top. (6.) The combination with a chamber having a slot in the rim thereof of means for the purpose set forth, comprising a downwardly projecting detachable side attachment provided with a projection or lip at the upper end thereof adapted to engage said slot, and means for securing said projection or lip in said slot flush with the surface of said chamber's rim. (7.) The combination with a chamber having a slot in the rim thereof of means for the purpose set forth, comprising a downwardly projecting detachable side attachment provided with a curved hook at the upper end thereof adapted to rest in said slot and engage the rim of said chamber for supporting the same thereon flush with the top, said attachment having downwardly and transversely sloping side walls. (8.) The combination with a chamber having a slot in the rim thereof of means for the purpose set forth, comprising a downwardly projecting de-

tachable side attachment provided with a curved hook at the upper end thereof adapted to rest in said slot and engage the rim of said chamber for supporting the same thereon flush with the top, said attachment having a curved central longitudinal rib and concave side walls.
(Specification, 3s. 9d.; drawing, 1s.)

No. 15590.—3rd November, 1902.—CHARLES EDWIN HAYWARD, the younger, of Maungakaramea, Auckland, New Zealand, Farmer. An improved appliance for tightening the wires of wire fencing.*

Claims.—(1.) The appliance for tightening the wires of wire fencing, the same consisting of a bar formed with handles at its extremities, and with a projection secured to its middle, such projection being provided with a groove or slot across its face, as specified. (2.) In appliances for tightening the wires of wire fencing, in combination, a bar formed with handles at its extremities, a projection secured to the middle of the bar, a slot or groove in the end face of the projection, notches on the edges of the bar on each side of the projection, and a cross-bar secured at right angles to the underside of the bar, and formed with catches upon its ends, as set forth.
(Specification, 2s. 6d.; drawing, 1s.)

No. 15756.—11th December, 1902.—JOSHUA THOMAS NOBLE ANDERSON, of Colonial Bank Chambers, Dunedin, New Zealand, Engineer-in-Chief, Dunedin Drainage and Sewage Board. Improved water-filter.

Claims.—(1.) In filters for purifying liquids, having three or more chambers connected in series, all chambers except one containing a filtering medium, and one chamber being the receptacle for the purified liquid, arranged so that the filtration may take place alternately downwards and upwards or alternately upwards and downwards, substantially as described and illustrated. (2.) The combination of a filter as described in the first claim, with two electrodes passing into same for the purpose of accompanying the filtering process with an electrolytic process, substantially as described and illustrated. (3.) In a filter as described in the first claim, having all the chambers in which filtering proceeds covered so as to exclude air and light, substantially as described and illustrated.
(Specification, 4s. 6d.; drawing, 1s.)

No. 16012.—21st February, 1903.—JAMES THOMAS HUNTER, of Queen’s Chambers, Wellington, New Zealand, Engineer (nominee of The Westinghouse Brake Company, Limited, of 82, York Road, King’s Cross, London, England, Manufacturers—the assignees of George Westinghouse, of Westinghouse Building, Pittsburg, Pennsylvania, United States of America, Manufacturer). Improvements in combined spring and frictional-resistance devices.

Claims.—(1.) A resistance-device consisting of a spring having a plurality of continuous turns and a friction-ring, one or more frictional faces being provided on the spring which engage with a corresponding face or faces on the ring for the purpose of producing frictional resistance when the spring is compressed. (2.) The modification of the invention in which two friction-rings are provided, one located inside the spring and the other outside and surrounding the same, each ring having one or more frictional faces adapted to engage with corresponding frictional faces on the spring. (3.) The modification of the invention in which the friction-ring is composed of a number of segments held in engagement with the spring by means of a resilient supporting tube or casing. (4.) Frictional-resistance devices constructed and operating substantially as described with reference to any of the forms shown in the drawings.
(Specification, 4s. 3d.; drawings, 2s.)

No. 16179.—31st March, 1903.—ALFRED EDWARD NICOLLS, of Jervois Road, Auckland, New Zealand, Gentleman. An improved waste-converter and process for manufacturing manures.

Claim.—The conversion of certain refuse matter into a valuable product by means of furnaces generating hot air and constructed with drying-chambers or floors heated and regulated by flues, passages, and dampers that, in combination with the method and treatment set forth, will be found to be economical and satisfactory in every respect, as substantially set forth.
(Specification, 2s. 3d.; drawing, 2s.)