2336
THE NEW ZEALAND GAZETTE.
[No. 108

Claims.—(1.) The improvement in hydraulic rams consisting of the noiseless valve-arrangement constructed and operating substantially as described and illustrated. (2.) In combination with an hydraulic ram, the employment of a working-valve consisting of two superposed cylinders of different diameter, a piston valve working within the upper cylinder, holes in the piston valve and in said upper cylinder, a disc upon the piston valve within the lower cylinder, a valve-rod upon which the piston valve is secured, and a spring upon said valve-rod bearing between the underside of the top of the uppermost cylinder and a sleeve upon the valve-rod, substantially as and for the purposes specified, and as illustrated in the drawings. (3.) In combination, the superposed cylinders a, b, the piston valve e upon a valve-rod i, the disc r, the spring n within cylinder a bearing upon a sleeve upon the valve-rod, a projecting sleeve k upon the top of cylinder a, the spring m bearing thereon beneath a cap l screwed upon the top of the valve-rod, holes for the passage of water being provided in the piston valve and in the cylinder a, substantially as and for the purposes specified, and as illustrated.
(Specification, 3s. 6d.; drawings, 5s. 6d.)

No. 11513.—6th April, 1899.—JAMES ASHDOWN, of 22, Clarence Street, Prahran, Victoria, Plumber. Apparatus for removing solids and recovering fats or oils from the waste water of sinks or from other waste liquids.*

Claims.—(1.) A chamber having perforations in its bottom plate and mounted upon a larger chamber having a receptacle (placed beneath perforations), baffle- and division-plates, and gutter with outlet opening therefrom, substantially as and for the purposes described. (2.) In combination with the parts claimed in claim 1, a pipe as T (which communicates with gutter) set in socket as t, with means for holding it with its outlet-opening in a down position or upwardly, substantially as and for the purposes described. (3.) In combination, a chamber having two compartments formed by division-plate as C, one of which has an opening communicating with chamber beneath, the other having perforations as a at its bottom, and a screen as D, a chamber having receptacle as F—set beneath perforations—baffle- and division-plates, and a gutter as N with outlet opening therefrom, and division-plate as Q of a height to allow of overflow of water into chamber R, substantially as and for the purposes described. (4.) The combination and arrangement of the whole of the parts substantially as illustrated on the sheet of drawings, and for the purposes described.
(Specification, 5s. 3d.; drawings, 5s. 6d.)

No. 11906.—16th August, 1899.—HENRY DELL, of Pukekohe, Auckland, New Zealand, Saddler. An improved horse-cover.*

Claims.—(1.) In a horse-cover, straps adjustable in length around the hind legs of a horse by means of buckles fixed to the outside of the cover, and secured by means of spring hooks fixed to the inside of the cover, substantially as set forth. (2.) The improvement in horse-covers consisting of parts constructed and arranged substantially as set forth.
(Specification, 1s. 6d.; drawings, 3s.)

No. 11935.—26th August, 1899.—HAROLD McARTNEY, of Nelson, New Zealand, Plumber. An improved water-heater.

Claims.—(1.) That it consists of an improved method for heating water, as it contains a copper coil in which the water is partly heated before running over hot plates, such coil never having been used before or introduced in the manufacture of water-heaters. (2.) The water-heater being made in halves, it is easily cleaned, this invention never having been made before. (3.) The inspection-hole also allows one to see when the gas is burning satisfactorily and the water running clearly. This is quite a new feature, and has not been used before.
(Specification, 1s. 6d.; drawings, 6s.)

No. 12023.—28th September, 1899.—THOMAS ALVA EDISON, of Llewellyn Park, Orange, New Jersey, United States of America, Inventor. Improvements in horizontal crushing- or grinding-rolls.

Claims.—(1.) The corrugating or otherwise roughening of the surfaces of grinding-rolls, and the holding of such surfaces out of contact by the engagement of smooth cooperating rims. (2.) The making of grinding-rolls with roughened or corrugated chilled peripheries. (3.) The construction of the rolls with removable grinding-plates, and the improved manner of mounting the rolls on their shafts. (4.) The employment of split collars to prevent longitudinal movement of the rolls with respect to their shafts.
(Specification, 6s. 3d.; drawings, £1 6s.)

No. 12027.—28th September, 1899.—EDWARD WATERS, Jun., a member of the firm of Edward Waters and Son, of 131, William Street, Melbourne, Victoria, Patent Agents (nominee of the Linotype Company, Limited, of 188, Fleet Street, London, England, assignees of Ottman Mergenthaler, of Baltimore, Maryland, United States of America). Improvements in machines for making printing-bars.
[NOTE.—The claims (250) in this case are too numerous and lengthy to permit of their insertion.]
(Specification, £19; drawings, £65.)

No. 12185.—21st November, 1899.—GEORGE GARIBALDI TURRI, of Salisbury Building, Queen Street, Melbourne, Victoria, Patent Agent (nominee of the American Lithographic Company of New York, United States of America, the assignee of Edward Hett, of New Dorp, Richmond, New York aforesaid, Lithographer). Improvements in transferring and printing, and mechanisms therefor.

The invention consists of the improved methods and apparatus for transferring designs to suitable surfaces after the lithographic manner, and developing those surfaces into printing-surfaces of the character desired for the designs so transferred, and especially the invention relates to the transferring of a series of registering designs to a series of suitable surfaces, developing those surfaces into printing-surfaces of the character desired, and printing from the series in approximately instantaneous succession, as in multicolour printing. The transferring of the designs is accomplished by the contact of a suitable setting-up plate or transfer base carrying a design, with the surface prepared to receive it; and the development of that surface into a printing-surface may be by the ordinary manipulations employed in lithography and including light etching, or it may be deeply etched, or developed in other suitable manner. In the former case the resulting printing-surface is planographic, and requires dampening-mechanisms as well as inking-mechanisms in the printing, whereas in the latter case the surface becomes a relief or intaglio printing-surface, not requiring dampening-mechanisms in the printing. Where the development is into a relief printing-surface, the ordinary routing-out machine may be employed where desirable, and in the ways well known in the production of relief plates.
[NOTE.—The number (46) and length of the claims in this case preclude them from being printed, and the foregoing general description is inserted instead.]
(Specification, £27; drawing, £10 10s.)

No. 12186.—21st November, 1899.—GEORGE GARIBALDI TURRI, of Salisbury Building, Queen Street, Melbourne, Victoria, Patent Agent (nominee of the American Lithographic Company, of New York, United States of America, the assignee of Edward Hett, of New Dorp, Richmond, New York aforesaid, Lithographer). Improvements in making printing-surfaces, and mechanisms therefor.

This invention relates to a new and useful improvement in the art of making printing-surfaces, and particularly graduated printing-surfaces, suitable for planographic, relief, intaglio, or other printing. It also relates to mechanism designed and adapted to be employed in carrying out the said process in a convenient, efficient, and economical manner. The invention is especially valuable for making multicolour prints. By a graduated printing-surface is meant one that is adapted to print an impression in which the ink will be distributed in graduated quantities for light-and-shade effects, depth of colour, &c. The invention especially seeks to make a printing-surface which will have its design located thereon in a precise predetermined position, and with reference to the use of such printing-surface in conjunction with other printing-surfaces in printing registering impressions so as to avoid the laborious and painstaking adjustment of these printing-surfaces in a press which has heretofore been necessary to enable printing-surfaces to print in accurate register. The invention also seeks to make duplicate printing-surfaces having identical designs identically located thereon, these surfaces being preferably identical in form, so that the duplicate printing-surfaces may be interchanged in the same printing-press. The printing-surfaces produced in accordance with this invention may be flat, curved, cylindrical, or of other convenient form, but they are preferably cylindrical so as to be capable of use in a rotary printing-press. The printing-surfaces may be made of stone, aluminium, zinc, or any other convenient material. In carrying out the invention a permanent printing-surface capable of printing a design is first made, which, for the purpose of this specification, will be herein termed the “primary surface” or the “primary printing-surface.” The primary surface is then brought into a precise predetermined co-operating relation with a surface herein called a “secondary surface,” and which