3452

THE NEW ZEALAND GAZETTE.

[No. 102

No. 23573.—10th October, 1907.—Doctor Léon Louis Joseph Parant and Alphonse Petrus Pichon, both of Geneva, Switzerland, Manufacturers. Process for discolouring tobacco-leaves.

Claims.—(1.) Process for discolouring tobacco-leaves characterized by making use of more or less diluted acetic or nitric acid as discolouring means. (2.) Process for discolouring tobacco-leaves characterized by making use of more or less diluted azotic or nitric acid as discolouring means, the temperature being constantly maintained between 20° to 25° C. (3.) Process for discolouring tobacco-leaves characterized by making use of more or less diluted azotic or nitric acid as discolouring means, the discolouring-bath being constantly agitated during the whole process. (4.) Process for discolouring tobacco-leaves characterized by making use of more or less diluted azotic or nitric acid as discolouring means, volatile saltpetre or nitrate of ammonia being added to the bath. (5.) Process for discolouring tobacco-leaves characterized by making use of more or less diluted azotic or nitric acid as discolouring means, an acid bath partly saturated with salts of the same nature as the soluble salts contained in the leaves being used. (6.) Process for discolouring tobacco-leaves characterized by making use of more or less diluted azotic or nitric acid as discolouring means, the leaves being immersed after discolouring into a tobacco-juice.

(Specification, 3s. 9d.)

No. 23574.—10th October, 1907.—Eugene Richard Senis Larbalestier, of 214 Enmore Road, Enmore, near Sydney, New South Wales, Australia, Dentist. A device for preventing the cracking and breaking of glass lamp-chimneys and the like.

Claim.—A device for preventing the cracking and breaking of glass lamp-chimneys and the like constructed of metal or metal wire, and having one or more lower members whose extremities are adapted to come into contact with the inner face of the chimney, and one or more upper members whose extremities are free from contact with the glass, substantially as described.

(Specification, 1s. 9d.; drawings, 1s.)

No. 23575.—10th October, 1907.—William Charles Stephens, of “Endsleigh,” Camborne, and “Climax” Rock-drill Works, Carn Brea, both in Cornwall, England, Engineer. Improvements in boring or drilling rocks and the like, and apparatus therefor.

Claims.—(1.) In the boring or drilling of rocks and the like by apparatus of the reciprocating type, the method wherein air is forced through the boring-bit directly into the bottom of the hole being drilled, substantially as and for the purpose described. (2.) In a rock or like drill of the reciprocating type, the employment of a boring-bit having a longitudinal hole extending throughout its length, and of means for placing the said longitudinal hole in communication with a supply of pressure-air as the bit reciprocates, substantially as described. (3.) In a rock or like drill of the reciprocating type, the employment of a boring-bit having a longitudinal hole extending throughout its length, the said hole being in communication with a hole in the piston-rod through which a supply of air is obtained either from the drill-cylinder or from an independent source, substantially as described. (4.) A rock or like drill of the reciprocating type comprising a boring-bit having a longitudinal hole extending throughout its length, a piston-rod to which the said bit is attached, and which is provided with a hole in communication with the hole in the said bit, the hole in the piston-rod being in communication with a groove around the piston-rod, which is maintained in communication with the interior of the drill-cylinder either directly or through the medium of a groove in the cylinder-head or in the bushing in the said head, substantially as described. (5.) A rock or like drill comprising a drill-bit having a longitudinal hole extending throughout its length, the said hole being in communication with a hole in the piston-rod, which is itself in communication with a hole or passage extending through the piston, whereby a supply of compressed air is conveyed through the drill-bit from the back of the piston, substantially as described. (6.) Apparatus for drilling rocks and the like constructed substantially as described, and illustrated respectively in Figs. 1 and 2, 3 and 4, 5 and 6, 7, and 8 of the drawing.

(Specification, 6s. 3d.; drawing, 1s.)

No. 23579.—11th October, 1907.—Laurence Dunne, of Matawhero, Poverty Bay, Auckland, New Zealand, Dairyman. Improvements in covers for hay-stacks and the like.

Claims.—(1.) A covering of the class described comprising, in combination, posts sunk into the ground and projecting therefrom, uprights clamped to the posts, rafters clamped to the uprights, sheets of corrugated iron secured to battens, scantlings kept in place by the rafters and supporting the battens, and a ridge-plate, substantially as set forth. (2.) In a covering of the class described and as claimed in claim 1, brackets secured to the rafters, battens halved together and secured outside the corrugated sheets, and scantlings resting on the brackets and supporting the battens, substantially as set forth. (3.) The combination and arrangement of parts comprising the improvements in covers for hay-stacks and the like constructed and arranged substantially as and for the purposes set forth.

(Specification, 3s.; drawing, 1s.)

No. 23586.—14th October, 1907.—Frederic Henry Trevellian, of 71 Lambton Quay, Wellington, New Zealand, Cash-register Expert. Improvements in cash-registers.

Claims.—(1.) In a cash-register of the class described, the combination with bands of paper whereon invoices are written in duplicate, and means for traversing an amount of the paper equal to the length of an invoice, of a third band of paper, a roller receiving this third band, a ratchet-wheel attached to the said roller, and a pawl engaging the teeth of the ratchet-wheel, and operated by the means employed for traversing the invoice paper bands, substantially as set forth. (2.) In a cash-register of the class described, in combination with bands of paper, and rollers upon which the said bands are coiled, of a roller below which the bands are passed, a roller whereon the paper is received, a roller between the two rollers, and means for gripping the paper between the intermediate roller and the outer rollers, substantially as described. (3.) In a cash-register of the class described, a roller, pivoted brackets in which the roller is mounted, screws through the ends of the brackets, and pivoted plates against which the screws bear, substantially as set forth. (4.) In a cash-register of the class described, a roller pivoted in vertical slots, and spring-operated and pivoted arms supporting the roller, substantially as described. (5.) In a cash-register of the class described, a wheel, a cam projecting laterally from the face of the wheel, a spring-operated bolt having a lateral head adapted to be engaged by the cam, a cross-head on the bolt, and a stop projecting from the face of the wheel, substantially as described. (6.) In a cash-register of the class described, a wheel having a cam projecting laterally from its face, a spring-operated bolt having a lateral head adapted to be engaged by the cam, a pivoted detent normally retained by the bolt, and a drawer having a lug adapted to be engaged by the detent, substantially as set forth. (7.) In a cash-register of the class described, a spring-operated bolt, means for raising the said bolt, a pivoted detent normally retained by the bolt, and a drawer having a lug adapted to be engaged by the detent, substantially as set forth. (8.) In a cash-register of the class described, in combination, an operating handle, a shaft adapted to receive the handle, a toothed wheel secured upon the shaft, a second toothed wheel gearing with the first toothed wheel, a roller upon which the second toothed wheel is secured, a second roller above the first roller, pivoted brackets in which this second roller is mounted, screws through the ends of the brackets, pivoted plates against which the screws bear, a third roller pivoted in vertical slots below the first roller, and spring-operated and pivoted arms supporting the roller, substantially as described. (9.) In a cash-register of the class described, a toothed wheel, a cam projecting laterally from the face of the wheel, a spring-operated bolt having a lateral head adapted to be engaged by the cam, a stop projecting from the face of the wheel, a second toothed wheel with which the first toothed wheel gears, and a pawl preventing backward motion of the said second wheel, substantially as set forth.

(Specification, 9s. 9d.; drawings, 3s.)

No. 23591.—15th October, 1907.—Edward Martin Edkins, of Dannevirke, New Zealand, Engineer. Improved feeding-mechanism for saw-benches.

Extract from Specification.—The means devised for carrying out the invention consists in a combination of the ordinary feeding-rollers mounted on a shaft upon which is also a fixed