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* from the reservoir, (R:) the current of water passes through the supply barrel (u) into the worm-shaped gas cooler (P.) through the supply pipe, (x,) and then through the warm water pipe (Y, b, b.) into the first coolers, (z, z) and, lastly, returning the heated water by the return pipes (d., d) again into the reservoir, (R) to renew the circulation, as described in the specification. - *

I claim, the combining the armature or jacket with the retort, in the manner described, (see No. 1 and p, figure 4,) for the purpose to enclose and secure the lower parts of the large retort (q) from the destructive action of the fire. I claim the arrangement of the tar trap (C) being in the inside of the tarchest, (O, figure 7,) attached to the lower extremity of the conducting gas pipe, (N,) for the use and purpose as described above.

- - ~ AMARIA PIERCE.

No. 4605.

What I claim as my invention, and desire to secure by letters patent, is the spring cap in combination with the vent-plug or stopper, as herein

described. . - - MATTHEW WASSAR. No. 4606.

What I claim as my invention, and desire to secure by letters patent, is combining the driving or wag staffs with the shuttle boxes by means of the joint links, as herein described, for the purpose of causing the end that drives the shuttle without a picker to move parallel with the race board, or nearly so, during its vibration, substantially as described. And I also claim connecting the lower end of the two staffs below their fulcra, by means of a spring having an intermittent action for drawing them back, in combination with the application of a positive motion above for driving the shuttle, whereby the returning staff aids in arresting the momentum of the shuttle, substantially as herein described. - - WARREN DUTCHER.

No. 4607.

Having thus fully described my invention, that which I claim is the above specified mode of looping, and interlooping, or interweaving, the several warp threads in opposite directions, that is to say: the advancing each thread towards the left and looping it twice, and passing each of the loops so formed through loops of the adjacent thread on the left; then reversing the direction of each thread, or carrying it towards the right, and forming two more loops upon it, and introducing said loops respectively through two loops of the thread immediately adjacent on the right, and so on throughout the whole fabric to be woven. : : * , t "I also claim the above described manner of forming the selvages, orcomi, bining or uniting the selvage threads with one another, and the main warp threads, the same being represented in the drawing. In testimony whereof, I have hereto set my signature this 18th day of April, A. D. 1846. . . o , , , it to ‘. . . . . a JAMES S. GLOWER.

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No. 4608.

Having thus fully described the nature of my invention, and shown the manner in which the same is carried into operation, what I claim as new, and desire to secure by letters patent, is, 1st, the forming of a true fisherman's or weaver's knot in netting woven in a loom, by beaming a regular warp from the yarn to the cloth beam, and the forming of loops thereon of the nature of those herein described, through which loops a thread of filling is thrown by a shuttle; these operations being effected under an arrangement of parts substantially the same with that herein set forth. . I claim the combination of parts, as herein made known, for giving motion to the thread conductors, so as to wind the threads of warp beamed as described around the teeth n n', &c., in such manner as to constitute a loop, such as is represented in figure 13, leaving a middle thread c" to be carried up by the forked teeth. I do not claim the use of thread conductors for winding threads around teeth, they having been used in other manners and for other purposes; but I limit my claim in this particular to the arrangement and combination of parts by which I form simultaneously a series of loops of the particular kind, herein described, for producing the so called fisherman's knot. I claim the employment of the bearers and forked teeth r r", which are made to raise the thread c”, and then to open out, so as to leave spaces between the threads a” and c', through which a thread of filling is to be thrown by a shuttle. I claim the employment of the reed, as herein described, with its hooked —, as combined with my machine for drawing up the thread of filling against the teeth, (o) to aid by its respective movements, herein made known, in the regular formation of the knots. I claim the taking up of the portion of the warp that is liberated in the drawing up or tieing of the knots, whether the same be effected by the action of the weight P, operating on a pulley Q, and the other parts concerned in giving the reversed motion to the yarn beam, at the proper time, or by the aid of a roller or other analogous device, made to raise or depress the warp between the yarn beam and the thread conductor, or in any other way that is substantially the same, producing a like effect by analogous means; and I do hereby declare that I do not intend, by the foregoing claim, to limit myself to the particular form of the respective parts herein described, or to the particular position of the angles of the meshes, but to vary these as I may think expedient, whilst I do not depart from the general principle upon which my machine is made to operate, as herein set

forth. - JOHN McMULLEN.

-, or No. 4609. . . . . . .” What I claim as my invention, and desire to secure by letters patent, is the method of forming mould boards, shares, ties, plough posts (or standards) of wrought ploughs, by means of dies or swedges, (mould or fol

lower) in combination with rods or projections to determine the appropriate position of each piece in the press while being formed, as herein de

scribed. - 8 HARWEY H. MAY. 1

No. 4610. .

What I claim as my invention, and desire to secure by letters patent, is the endless chain of moulds open at both ends, and stationary bed plate (Z Z, in figures 2 and 3, a) combined with the succession of differently formed presses or pistons W’, Y′, X', and Z'. GILBERT D. JONES.

No. 4511.

What I claim as my invention, and desire to secure by letters patent, is the combination of the rod a, the movable piece furnished with a spirit level, and the graduated quadrant, as herein set forth. - AUGUSTUS GHRARI),

No. 4612.

What I claim as my invention, and desire to secure by letters patent, is placing a roller in the upper end of the jack, and its general application to the action of the piano forte, as herein above described, by which means I am able to produce the following important results, viz: First. The greater power obtained in the stroke of the hammer. Second. Its greater velocity. - o Third. A greater distance is passed by the hammer in its stroke with the same given movements of the key. - Fourts. The certainty of the roller holding on until the proper time to .

release. - - LUTHER PHILLEO. No. 4613.

What I claim as new in the machine, herein described, for cutting the nicks in the heads of wood screw blanks, is the manner herein described in which I have formed and arranged the gripers, or griping dies XX, and have combined them with the rods c co, aid with the vibrating frame ZZ, so as to be operated on by the aid of the cam B', or by some analogous device, in the manner above set forth, in griping the blank and in carrying it gradually against the saw. I also claim, in combination with the foregoing, the particular manner in which I have arranged the feeding fingers so as to adapt them to the receiving of the blank from the vertical conveyor, and the delivery of it into the griping dies by the aid of the shaft q, which is made to slide and rotate by means of an apparatus, substantially the same with that described.

THOS. W. HARVEY.

No. 4614.

What I claim as my invention, and desire to secure by letters patent, is the mode of producing the draught through the air chamber into the back flue, as herein described. I also claim the mode of conveying the steam, produced by baking, from the oven into the back flue, as herein described. o : i. GEORGE M. MORTON.

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* No. 4615. . . . . .

What I claim as my invention, and desire to secure by letters patent, is

the preparation of a bark-liquor by a process of fermentation, as herein described, to be applied to the purposes of tanning leather; using for the purpose of preparing the liquor a ferment, and any alkali, neutral salts, or other material that will produce the desired effect.

WM. GERMAR.

No. 4616.

The subscribers do not claim as their invention or improvement the use of the said acid, nor of the chloride of lime, nor of the chests or drainers, all which are well known and much used ; but they claim, as a new and valuable improvement in bleaching paper-maker's stock, as rags, &c., the above described method, process, or mode of bleaching, and of applying said bleaching substances to and upon large masses of stock, as rags, waste, bagging, and other materials made into paper, lying, drained of water, in chests or drainers, as set forth in this specification. JOS. G. KENDALL. JONAS H. KENDALL.

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Having thus fully described my improvement in lamps, what I claim therein as new, and desire to secure by letters patent, is connecting the tube (a) and shade-holder by means of a cap which covers the top of the reservoir, in the manner described, (the whole being made in one piece,) by which a great economy is effected in the construction, and the burning of the lamp greatly improved.

No. 461S. . . . . . .

- ro so .

What I claim as my invention, and desire to secure by letters patent, is

the giving the face or periphery of drums, pulleys, &c., upon which bands

are used, a coating of India-rubber or some other gum covering of a similar nature, for the purpose herein set forth.

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What I claim as my invention, and desire to secure by letters patent, is the manner of connecting the air-chamber with the plunger, emptying the water from the holes, m, so that the air-chamber and plunger will be elewated and depressed together. * . . . . . ;I - CHAPMAN WARNER.

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What we claim as our invention, and desire to secure by letters patent, is the method of making the shank for door-knobs in two pieces, coupled

JOHN DAVIDSON. .

No. 4610.

What I claim as my invention, and desire to secure by letters patent, is the endless chain of moulds open at both ends, and stationary bed plate (Z Z, in figures 2 and 3, a) combined with the succession of differently formed presses or pistons W’, Y′, X', and Z'. - GILBERT D. JONES.

No. 4611.

What I claim as my invention, and desire to secure by letters patent, is . the combination of the rod a, the movable piece furnished with a spirit level, and the graduated quadrant, as herein set forth. - AUGUSTUS GIRARD.

No. 4612.

What I claim as my invention, and desire to secure by letters patent, is placing a roller in the upper end of the jack, and its general application to the action of the piano forte, as herein above described, by which means I am able to produce the following important results, viz: First. The greater power obtained in the stroke of the hammer. Second. Its greater velocity. Third. A greater distance is passed by the hammer in its stroke with the same given movements of the key. - Fourth. The certainty of the roller holding on until the proper time to

release. I,UTHER PHILLEO. No. 4613.

What I claim as new in the machine, herein described, for cutting the nicks in the heads of wood screw blanks, is the manner herein described in which I have formed and arranged the gripers, or griping dies XX, and have combined them with the rods c co, and with the vibrating frame ZZ, so as to be operated on by the aid of the cam B', or by some analogous device, in the manner above set forth, in griping the blank and in carrying it gradually against the saw. I also claim, in combination with . the foregoing, the particular manner in which I have arranged the feeding fingers so as to adapt them to the receiving of the blank from the vertical conveyor, and the delivery of it into the griping dies by the aid of the shaft q, which is made to slide and rotate by means of an apparatus, substantially the same with that described.

THOS. W. HARVEY.

No. 4614.

What I claim as my invention, and desire to secure by letters patent, is the mode of producing the draught through the air chamber into the back

flue, as herein described. I also claim the mode of conveying the steam, produced by baking, from the oven into the back flue, as herein described. - - - I - GEORGE M. MORTON.

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