Nov. 13.] THE NEW ZEALAND GAZETTE. 2507

recessed shoulders such as 5, 6, dovetails or tongues such as 7, the parts being held in position by a screw or screws, substantially as described and explained, and as illustrated in Figs. 1 to 5 of the drawings. (3.) In hand-operated sheep-shears provided with detachable blades, the combination with the bow-shanks of extensions thereon such as 2, 2, having bevelled edges, blades such as 4 partially cut away at their base and having recessed shoulders such as 5, 6, the parts being held in position by a screw or screws, substantially as described and explained, and as illustrated in Figs. 6, 7, and 8 of the drawings.
(Specification 3s. 3d.; drawings 1s.)

No. 15454.—25th October, 1902.—THOMAS MORRIS HIGGIE, of Wanganui, New Zealand, Farmer. An improved scrubber.

Claims.—(1.) The particular shape of the body of the scrubber. (2.) The combination of the jointed handle with the scrubber. (3.) The combination of the iron scraper with the scrubber.
(Specification, 1s.; drawings, 1s.)

No. 15513.—14th October, 1902.—THOMAS RICE, of Feilding, New Zealand, Plumber. A clip for quickly repairing broken ribs of umbrellas.

Extract from Specification.—A clip to be made of tin, copper, or any such metal, shaped somewhat like an umbrella-rib, but having the edges folded inwards so as to admit of an umbrella-rib being inserted. The broken ends of the rib, being inserted into the clip so as to meet the folded edges of the clip, are to be clipped with a pair of pliers or any such instrument, thus securely fastening the rib within the clip.
Claim.—The metal clip for quickly repairing the broken ribs of umbrellas as particularly described.
(Specification, 1s.; drawings, 1s.)

No. 15560.—28th October, 1902.—MAJOR WILLIAM LANE, of Totara North, Auckland, New Zealand, Shipbuilder. A propeller-hood attachment to screw-propelled vessels.

Claim.—A hood attachment to the sterns of screw-propelled vessels, substantially as and for the purposes described, and as shown on drawing.
(Specification, 2s. 3d.; drawings, 1s.)

No. 15561.—25th October, 1902.—TIMOTHY CHARLES HATTON, of 70, Poulett Street, Owen Sound, County of Grey, Ontario, Canada, Chemist. Improvements in carriage-springs.

Claims.—(1.) In a carriage spring, a hollow head having a cavity with an opening at one side thereof, longitudinally disposed grooves in the sides of the cavity, and laterally disposed grooves at the inner ends thereof, in combination with the upper and lower main-spring plates, the side edges of which are contained in the longitudinally disposed grooves and the end edges of which are contained in the laterally disposed grooves of the cavity, substantially as specified. (2.) In a carriage-spring, a hollow head having a cavity with an opening at one side thereof, longitudinally disposed grooves at the sides of the cavity, and laterally disposed grooves at the inner ends thereof, in combination with the upper and lower spring plates, the side edges of which are contained in the longitudinally disposed grooves, the end edges of the upper spring plates being contained in the upper laterally disposed groove, and a cushioning washer contained in the lower laterally disposed groove, against which abuts the end of the lower main-spring plate, substantially as specified. (3.) In a carriage-spring, a hollow head having a cavity with an opening at one side thereof, longitudinally disposed grooves at the sides of the cavity, and laterally disposed grooves at the inner ends thereof, in combination with the upper and lower spring plates, the side edges of which are contained in the longitudinally disposed grooves, the end edge of the upper spring plate being contained in the upper laterally disposed groove, a cushioning washer contained in the lower laterally disposed groove, against which abuts the end of the lower main-spring plate, and a protecting plate interposed between the ends of the lower main-spring plate and cushioning washer, substantially as specified.
(Specification, 4s.; drawings, 1s.)

No. 15563.—25th October, 1902.—FREDERICK JAMES FOOT, Solicitor, and CHARLES JOHN SWANN, Engineer, both of Greymouth, New Zealand. Improved gold-saving screen.

Claim.—The use of one or more annular enlargements (as described) of the revolving cylindrical screen, or of a corrugated or partly corrugated revolving cylindrical screen, for the purpose of the more effectual screening, sifting, and treating of sand, gravel, or spoil, and of preventing the loss of gold and other heavy metals or minerals.
(Specification, 1s. 6d.; drawings, 1s.)

No. 15568.—30th October, 1902.—FREDERICK WILLIAM HAYES, of Albury, New South Wales, Miller. An improved automatic punkah for chairs, cots, and the like.

Claims.—(1.) A punkah hinged and swinging in a frame which may be fixed to a chair or to the floor by means of screw bolts, or may be weighted with a heavy base so as to stand without such fastenings, and automatically operated by rocking the chair in the manner described. (2.) A punkah operated as before described by means of a pulley affixed to a rocking or other chair or cot by means of eye screws, the pulley-cord being furnished with a long spiral spring as a counter-resistant to the pulley-cord, substantially as and for the purpose described. (3.) The combination arrangement of the punkah working in a movable frame by means of automatic or hand pulley, with counter-resistant spiral spring fixed to the chair or cot by eye screws or any simple means, substantially as and for the purpose described.
(Specification, 3s. 3d.; drawings, 1s.)

No. 15569.—30th October, 1902.—JOHN COWAN, of 2, St. Andrew’s Square, Edinburgh, Scotland, Managing Director of the Stirling Boiler Company. Improvements relating to water-tube boilers.

Claims.—(1.) A water-tube-boiler casing consisting of a double shell formed by two sheet-metal walls, the inner one, which is adjacent to the furnace, being protected from the furnace-gases by a lining of refractory material, and the outer one thermally insulated from the inner one by an air-jacket which delivers hot air into the boiler-furnace, and thus returns to the furnace the heat received from the inner wall of the casing, substantially as described. (2.) In a boiler-casing as claimed in claim 1, a construction of double shell consisting in the formation of the inner and outer walls of a number of panels secured together, each panel comprising two flanged plates, one inserted within the other, both plates being connected together by their flanges so as to leave an air-space between the two plates, the air-spaces of any desired number of the panels being placed in direct communication with each other by means of holes in adjacent flanges, substantially as described. (3.) In a boiler-casing as claimed in claim 1, an additional air-jacket formed by grooving or checking the refractory lining on the side adjacent to the inner sheet-metal wall, the grooves being connected together and placed in communication with the boiler-furnace and with the atmosphere either directly or through the main air-jacket of the casing, substantially as described. (4.) In a boiler-casing as claimed in claim 1, an additional air-jacket formed by securing a refractory lining against the inner metal wall of the casing, and securing another lining at a short distance therefrom, so as to leave a space between the two linings, the space being placed in communication with the boiler-furnace and with the atmosphere either directly or through the main air-jacket of the casing, substantially as described. (5.) The improved boiler-casings described with reference to the drawings.
(Specification, 7s.; drawings, 4s.)

No. 15573.—30th October, 1902.—LAMSON STORE-SERVICE COMPANY, LIMITED, a registered company of Great Britain carrying on business at 20, Cheapside, London, England, and at 234, Clarence Street, Sydney, New South Wales (assignees of Sherman Gates, of 234, Clarence Street, Sydney aforesaid, Cash-railways Expert and Manager for Australia of Lamson Store-service Company, Limited). Improvements in pneumatic cash and parcel carrier systems, and in apparatus therefor.

Claims.—(1.) An improved pneumatic cash and parcel carrier system wherein carriers are adapted to be propelled in one direction in separate tubes of a series, and to be returned by one tube common to said separate tubes of such series. (2.) An improved pneumatic cash and parcel carrier system wherein an air-current machine is connected up to one inward or return tube adapted to contain suction, and to a series of outward tubes any one of which is adapted to contain pressure, substantially as described and explained. (3.) In pneumatic cash and parcel carrier apparatus, the combination with an air-current machine and a series of tubes of shunt valves adapted to connect up one of said series of tubes to said air-current machine, substantially as