2298
THE NEW ZEALAND GAZETTE.
[No. 105

ing them with an inner non-adhesive and non-absorbent envelope; secondly, in surrounding the said envelope by an outer fabric; and, thirdly, in cementing the two layers together by means of a non-hygroscopic gelatine cement, substantially as described. (2.) The described airtight covering for hams, bacon, sausages, and cheese, consisting of a non-adhesive and non-absorbent inner envelope, a resistant outer envelope, and an aluminated non-hygroscopic gelatine cement applied to said envelopes at a temperature below 100° centigrade, substantially as described.
(Specification, 1s. 6d.)

No. 12835.—2nd August, 1900.—WILLIAM PIDDUCK GRIFFITHS, of 17, Piccadilly, Bradford, York, England, Wool Merchant. Improvements in machinery or apparatus for separating wool or hair from skins or pelts.

Claims.—(1.) A cutting-machine in which a slotted guard T is placed in advance of the knife K, such guard being in contact with the top of the pelt J, substantially as shown and described. (2.) A cutting-machine in which the wool when in contact with the knife is in vertical tension by the operation of the travelling apron U passing round the roller R², substantially as described. (3.) A cutting-machine in which rollers Q and Q¹ draw the skin in the direction of the knife, whilst the roller P with raised spiral surfaces P¹ and P² pull in the opposite direction, thus placing the skin in tension longitudinally and transversely, substantially as described.
(Specification, 5s. 6d.; drawings, 3s.)

No. 12998.—14th September, 1900.—JOSEPH MORGAN, Mining Engineer, and EDWARD FRANK GUINNESS, Law Clerk, both of Greymouth, New Zealand. A grab for lifting stones, timber, and other materials.*

Claims.—(1.) In grabs for lifting stones, timber, and other materials, constructing the grab of a number of curved arms hinged upon a shaft and joined together by a framing, each of such arms having extensions beyond the shaft, so that each pair shall assume somewhat the form of a pair of calipers, and means whereby the grab may be opened and lowered or closed and raised, as specified. (2.) In grabs for lifting stones, timber, and other material, a number of pairs of arms hinged upon a shaft and provided with a tie-rod and pulleys on each side, each of such arms being formed with extensions beyond the shaft, such extensions being connected together by tie-rods upon which are mounted sheaves or pulleys, in combination with a lowering-cable that passes over the pulleys upon the tie-rods, and the ends of which are secured thereto in such a manner that as the weight of the grab is taken by the lowering-cable the curved arms shall be caused to open out on their hinge, as specified. (3.) In grabs for lifting stones, timber, and other materials, a number of pairs of arms hinged upon a shaft, each of such arms being formed with extensions beyond the shaft, such extensions being connected together by the tie-rods, upon which are mounted sheaves or pulleys in combination with a raising-cable, the bottom ends of which are looped, and whose looped ends envelop the pulleys upon the tie-rods in such a manner that, as the weight of the grab is taken by the raising cable, the curved arms shall be caused to close on their hinges, as specified. (4.) The general arrangement, construction, and combination of parts in our improved grab for lifting stones, timber, and other materials, as specified, and illustrated in the drawings, and for the several purposes set forth.
(Specification, 4s.; drawings, 1s.)

No. 13076.—15th October, 1900.—ROBERT HUGH RENNIE, of 106, Great King Street, Dunedin, New Zealand, Joiner. Improved flooring-and-lining cramp.

Claims.—(1.) In cramps for flooring or lining, the combination of a tong-shaped pair of levers C, C, gripping the stud or joist at C³, kept in such gripping position by the band D, D¹, D², and maintaining the pressure on the boards to be tightened up by the tail-arm E, E¹, F, substantially as described, and as illustrated in the drawing. (2.) In combination, for cramping up boards to studs or joists or such-like, gripping-levers C, C, C¹, C³, kept in gripping position by the device D, D¹, D², and the tension to the boards being maintained by the device E, E¹, F, C³ being the fulcrum, all substantially as shown and described, and as illustrated in the drawing.
(Specification, 3s. 3d.; drawings, 1s.)

No. 13079.—15th October, 1900.—WILLIAM ADAMS, of Lawrence, New Zealand, Miner. Improved amalgamating-machine, especially for dredges.

Claims.—(1.) In gold-saving tables or boxes, the combination of such boxes A with a silvered amalgamating-cylinder revolving against the advancing wash B, the surface being kept clean and bright by the cylinder revolving in mercury, and when required having the surface wiped or brushed, and also a number of jets of clean water playing on the surface of the cylinder, substantially as described, and as shown on the drawings. (2.) In combination, tables A, a revolving cylinder B, revolving in a casing C, C¹, D, driven by gearing or pulleys E, E¹, and being kept clean by revolving in mercury, being played upon with jets of clean water at E³, and wiped or brushed if required, substantially as described and shown, and for the purposes set forth.
(Specification, 2s. 6d.; drawings, 1s.)

No. 13118.—31st October, 1900.—WILLIAM BOYES GOVETT, of 134, Albert Street, Brisbane, Queensland, Manufacturer. Improvements in brakes for bicycles and other like vehicles.

Claims.—(1.) In improvements in brakes for bicycles and other like vehicles, the bell-crank H, the top arm slotted out to a chisel-point, acting as a pawl between two cheeks and provided with a shoulder, the lower arm composed of two pieces of spring steel and provided with a stud, as and for the purpose set forth, and as described, and illustrated by drawings. (2.) In improvements in brakes for bicycles and other like vehicles, the lever-arm G having a pin G1 riveted thereto and fitting round the axle B or round the bottom bracket shell A, and supported by pressure spring S or spiral tension spring secured to the frame of the machine in any convenient position, as and for the purpose set forth, and as described and illustrated by drawings. (3.) In improvements in brakes for bicycles and other like vehicles, the forked rods K and K1 with or without adjusting screwed end, secured to clips M and M1 sliding along the chain-stays, said clips being provided with leather or other suitable brake-blocks N and N1, as described, and illustrated by drawings. (4.) The arrangement and construction of the brake and its attachments, as applied to the rim of the rear driving-wheel of a bicycle or other like vehicle, as described, and illustrated by drawings.
(Specification, 4s. 6d.; drawings, 2s.)

No. 13146.—8th November, 1900.—GEORGE STURTEVANT, of Devore Street, Auckland, New Zealand, Draughtsman; JOHN MANNERS MORRAN, of Mount Eden, Auckland, New Zealand, Manufacturer; and ANDREW GORDON FRENCH, of Thames, New Zealand, Consulting Chemist. An improvement in cleansing kauri-gum from decayed vegetable and earthy matter.*

Claim.—The process described of cleansing kauri-gum from decayed vegetable and earthy matter by means of a solution of an alkaline substance, by preference caustic soda, which dissolves the residual product of vegetable decomposition, humus, thereby disintegrating and releasing the incrustation of clay and earthy matter; following this alkaline treatment with a water washing; and finishing with the friction of wire or hair scratch brushes, and drying to fit for the market.
(Specification, 2s.)

No. 13198.—28th November, 1900.—WILLIAM HENRY EYRES, of Hamilton Street, Sydney, New South Wales, Commercial Manager. Improvements in machines for shearing and clipping wool or hair.

Claims.—(1.) In a sheep-shearing machine having a centrally pivoted rocker-bar, a tension-pivot cross-head, having a cross-head pin or pins resting on the rocker-bar. (2.) In a sheep-shearing machine having a centrally pivoted rocker-bar, a tension-pivot spindle having a cup-shaped head with a square shank. (3.) In a sheep-shearing machine, the combination with a centrally pivoted rocker-bar of a roller-bearing for supporting the inner end of the rocker-bar. (4.) In a sheep-shearing machine, the combination of a centrally pivoted rocker-bar, the rocker-fork and a roller-bearing for supporting the inner end of the rocker-bar. (5.) In a sheep-shearing machine, the combination of a tension-pivot cross-head as described in claim 1 with a centrally pivoted rocker-bar. (6.) In a sheep-shearing machine, the combination of a tension-pivot cross-head as described in claim 1 with a centrally pivoted rocker-bar, the rocker-fork and a roller-bearing supporting the inner end of the rocker-bar. (7.) In a sheep-shearing machine, the combination of a tension-pivot spindle as described in claim 2 with a centrally pivoted rocker-bar. (8.) In a sheep-shearing machine, the combination of a tension-pivot spindle as described in claim 2 with a