It is said that the new Azof green of the Paris spring fashions is dyed of auch poisonous materials that seamstresses who prick their fingers while sewing it lose the use of their hands, and ladies have been taken violently ill from wearing shawls of this color, and in consquence, inhaling its poisonous , odors. The tint is very brilliant. Patent Claims Issued from the United States Patent Office FOR THE WEEK ENDING MAY 4, 1858. [Reported ofllcicdty for the Scientific American.] LAMPS—L. Bailey, of Charlestown, Mass., and R. Thayer, of Boston, Masa : We claim, first, The arrangement of the annular reservoir, G, within the case, C, as shown, so that both the inside and the outside draughts of the flame may be supplied up through the base and pedestal, and in their passage cool all sides of the reservoir, substantially as set forth. Second, The button, L, when made of concavo-convex form, and of the proper dimensions, so as to throw the air that passes up through the central passage, H, down on the flame, and at the same time permit the flame to rise vertically, instead of spreading it laterally, as usual. Third, The combination of the revolving cap, E, wick tube, I, with or without the button, L, and the annular reservoir, G, arranged relatively with each other, and used in connection with the case, C, the hollow pedestal, B, and base. A, substantially as described, and for the purpose set forth. [This invention consists in a peculiar construction of the lamp, whereby the reservoir containing the burning material is kept in a cool state, the flame supplied with a large amonnt of oxygen commensurate with its requirements, to produce perfect combustion, the light is readily graduated as desired, and wholly extinguished when necessary, without the emission of smoke, or any disagreeable odor, and the wick is retained in proper position, so that it may be trimmed accurately with great facility.] DEVIOE FOR SHELTERING FROM DUST THE LOWER CAKRYINO PUTXEY OF BAND SAWS—James Balla, of Richmond, Ind. : I do not claim hanging saws by attaching the Rame to straps which pass over reciprocating pulleys, for this has been previously done. But I claim the shields or guards, J J, placed overthe lower pulley, D, when ennstrncted and arranged relatively with the straps, H, of said pulley, substantially as and for the purpose set forth. [This invention relates to an improvement in that class of sawing machines in which the saws are attached to straps or bands which pass over pulleys having a reciprocating rotating motion. The object of the invention is to obviate the difficulty attending the accumulation of sawdust between the lower pulley and saw band. This is done by having shields or guards placed over the lower pulley, properly arranged to protect it. ] STEAM ENGiNEspaniel Barnum, of Jersey City, N. J. : I claim combining with an air pump of a marine engine an independent or separate suction pipe connecting the hold of the vessel with the air pump directly, and not through the channel way or condenser, such Pipe being connected, and the combination being substantially euch as is set forth. MACHINE FOR BENDINC? WOOD—Thomas Blanchard, of Boston, Mass. : I do not elaim, broadly, what is termed "compound bending," or preventing the fibers of the wood from being distended longitudinally while being bent in the required form, for this process was formerly patented by me. But I claim the particular means employed for thus bending the wood in the required form, for the special purpose mentioned, that is to say, the employment or use of the rotating mold, E, with the strap, G, attached, in combination with the sliding pressure bar, K, pro-Tided with the adjustable slido or stop, h, the outer end of tbfi strap, G, being attached to the bar, K, or box. L, and the parts arranged as shown, whereby the strips N, may be bent in regular or irregular curved form, with the ends adjoining each other, for the manufacture of picture and slate frames, chair bottom hoops, and similar articles. [A notice of this invention will be found on another pafeO MACHINES FOR HULLING ETCE—Francis and Lodowick Burdfck, of South East, N. Y. : We claim the peculiar dress in our horizontal stone mill, composed of the frustum of a cone and its corresponding concave, constructed and operating as and for the purpose described. RAILROAD CAR COUPLINGS—W. H. Burridge and N. L. Post, of Cleveland, Ohio : We claim making the fulcra of the jaws forward of, or more towards the center of the coupling bar or link than those parts of the .laws which catch the head of the link, so that the draft upon the link has a tendency to close the jaws, substantial ly as described. And in combination with vibrating jaws having their fulcra arranged as described, we claim the peculiar con-fltpuationofthe link bar, substantially as described, by wfclch the said link connects the couplings, when the cars are run together, and by which they uncouple or disconnect themselves, when one of the cars is thrown from the track, or the link vibrated beyond a given angle, as described. MACHINE FOR MAKING HORSE SHOE NAILS—Tisdale Carpenter, of Providence, R. I. : I claim the described machine for making horse shoe nails, consisting essentially of the revolving die table, I, arm, P, carrying the swage, 1, and shear, m, th carriage, S, with its swage, h, constructed and operating in the manner substantially as set forth. Second, I claim the receiving box. R, with its retain-ine sprinc, o, substantially as described. Third, I claim, in combination with the table, I, the guide, h, arranged and operating as set forth. WATER CLOSET—William S. Carr, of New York City: I claim the concave ring or cup, m, screwed onto the hollow column, 1. in the manner and for the purposes specified, when this is used for passing the rod to the lever of pan water closets, substantially as specified. SEED PLANTERS—James Charlton, of Alleghany, Pa.: I claim, first, The rings, y, with their lugs, b, projecting studs, t. and heads, c, in connection with the strips, x, and cylinder, g, for the purpose of enlarging or con-trarting the seed chambers, and agitating the seed in the hopper. Second, The arrangement of the flexible rods, S.axle, k, yoke, j, lever, p, and atrip, r, with notches, 1 and 2, as described, ana for the purpose set forth. REVOLVING FIKEARM—Samuel Colt, of Hartford' Conn. : I claim as new, in combination with a central pin which is inserted from behind, to admit of readily taking out and replacing the rotating breech, and which is feathered or otherwise fitted to the central bore of the rotating breech, so as to turn therewith, and which passes entirely through the central bore of the said rotating breech, and into the framing in front for support, the making of tho rear end or head of the said central pins with ratchet teeth, or the equivalent thereof, to be acted upon by the mechanism for turning and holding the rotating breed) all substantially as and for the purpose described. fr NCT MACHOT~Riebard H. Cole, of St. Louis, Mo. : I g claim the use 01 ft, traversing die, whereby the nut blank is first passed and prepared on the blank surface of the said die, and afterwards punched and finished over a hole in the same die, substantially in the manner dercribed. BR*IOK KILNS—John W. Crary, of New Orleans, La. : I claim, first, The peculiar arrangement and manner described of constructing the furnaces, so that by means of the arches, B B placed as specified, and constructed of brick, or other argillaceous substance, intermediate supports of grates or otherwise for the fuel are rendered unnecessary. Second, The peculiar arrangement of auxiliary ash pits or air chambers, C, with main air chambers or aeh pita, C, and arches, D1 iV, formed by setting the brick zig-zag, and alternately diagonal, as specified, for the purpose set forth. Third, The specified manner of constructing the brick arches. DT D', when the bricks are " set" as specified, so that the horizontal area of their interior chamber shall be greater than that of the throat of the furnaces, for the purposes set forth. Fourth, The specified zig-zag and alternately diagonal setting of the brick throughout the kiln, for the purpose set forth. Fifth, The specified arrangement and construction of auxiliary end arches and furnaces, in combination with the main side arches, for the purposes set forth. Sixth, The specified arrangement of vertical flues and horizontal passages in the wall, in combination with the partly open top and the furnacas tor the purpose set forth. [A notice of this invention will be found in another column.] FEEDING DEVICE FOR CROSS-OUT SAWING—Jeremiah Darling, of Cincinnati, Ohio I claim the reciprocating table, F, suspended at one end, and supported by rollers at the other, to facilitate the operation of cross-cut sawing, substantially as set forth. RAILROAD CAR SPRINGS—Andrew M. de Harfc, of Reading, Pa. : I claim the combination of the semi-elliptic plate springs, a a a and b b, as arranged with the box, C, press block, D, and connecting rod, E, substantially in the manner and for the purpose fully set forth. RING BOLT—George W. Devin, of Ottumwa, Iowa : I do not claim separately a slide bolt and spring, for that is a common and well-known fastening. But I claim the slide bolt. A, provided with the spring D, and ring, C, and secured to the door substantially as shown, in combination with the socket or nosing, E, provided with apertures to receive the shackle of a padlock, the whole being arranged as and for the purpose set forth. [A full description, with an engraving of this invention will be published in a few weeks. ] DEVICE FOR GOVERNING LATERAL MOTION OF CARRIAGE TN GIGGING BACK, IN CIRCULAR SAWIKG MACHINES—William M. Ferry, Jr.. of Ferrysburgh, Mich. : I claim providing a short auxiliary rail, I, alongside the inner rail of the log carriage, C, and opposite the oblique inclined gage bar, G.and furnishing the carriage with an auxiliary wheel, J, which has a vertical axis, a, and having said wheel come in contact with, and run against, the side of the auxiliary rail, and thereby prevent any lateral movement of the carriage other than that necessary to prevent the log rubbing against the face of the saw, and heating the same, and also avoid the scratching of the face of the board by the teeth of the saw, substantially as and for the purposes set forth. [A description will be found on another page.] CASTING CAR WHEELS—David Finley, of Champlain, N. Y. : I do not claim the heating of molds in an oven or muffle before pouring the metal into them. Nor do I claim the annealing of castings in their molds, when that is effected by placing the molds in an oven, or any receptacle that has been previously heated. But I claim the heating of the knowel and cope of the flask, and parts of the mold contained therein, separately from the chill ring, then putting the whole of the flask and mold together, and either placing it in a box, or its equivalent, and surrounding it with non-conducting material within the said box, and after pouring the metal into the mold, burying the whole in a pit, or omitting the box, surrounding the flask and mold with the lion-conductor in the pit, substantially as specified. [The several parts of the mold, with the exception of the chill, are heated in an oven, and then when placed together with the chill, they are in a condition to re-Give the molten metal. The complete mold is placed in a suitable receptacle, and surrounded by a non-conducting substance, and then covered up in a pit. The metal, when poured into a mold which has been thus heated, and surrounded by a non-conducting substance and buried, is cooled so slowly as to be thoroughly annealed, and yet the proper operation of the chill is not interfered with, as at the time of pouring in, the chill ring is comparatively cold.] HARVESTERS—R. H, Fisher, of Claremont, N. H. : 1 claim, first, Mounting the main frame. A, on the axle, B, so that the frame may slide freely thereon, in connection with the spirally slotted collar, K, placed on the axle, and receiving a pin, k, attached to the axle, substantially as shown and described, whereby the mechanism which operates the sickle may, when desired, be readily thrown in and out of gear with the driving wheel. Second, Raising and lowering the sickle, J, by means of the pulley, M, placed loosely on the axle, B, and the chain, 1, attached to the back part of the main frame, and to the pulley, substantially as described. Third, Attaching the finger bar, P, to the mainframe A, by overlapping the end of the finger bar and the lower end piece, n, of the main frame, the finger bar resting on a semi-spherical projection, o, on the end piece, and adjusted by the 3crews, p, substantially as and for the purpose set forth. [In this harvester there is a novel means employed for driving the sickle; the frame is also so arranged that it may be readily raised or lowered, and the mechanism which operates the sickle thrown in and out of gear with the greatest facility. The finger bar is attached in the main frame in a new way, so that the front edge of the finger bar and sickle may be more or less elevated, as circumstances require.] VAPOR LAMP BURNERS—C. A. Greene, of Boston, Mass.: I do not claim a ring or collar having holes through it, turning upon the outside of a shoulder having corresponding notes through it, to form a regulator for a fluid lamp, as this is an old device and cannot be made to operate successfully. But I claim the combination of the hollow spur, susceptible of being turned in either direction, and having elits or apertures formed in it with the cap, d, through which similar slits or apertures extend, as described, and for the purpose of regulating the jet or jets of flame by the turning of the said spur. WASHING MACHINE—Ashman Hall, of Dansville, N. Y.: I claim, first, constructing the slats or bars which form the rubbers with spiral grooved and ridged surface for the purpose described. Second, In arranging the spiral grooves and ridges formed on the slats, so that they incline in opposite directions in each succeeding slat for the purpose set forth. Third, The combination of the dipping scoop with the vibrating rubber, arranged as described for the purpose set forth. BBACES OF EAVE TROUGHS—Wm. H. Henderson, of Franklin, Ind.: I claim the arrangement of the brace, A, as constructed in the trough, and with the pins, a a, for the purpose set forth, and also this arrangement in combination with the strap, C for the better security of the trough as is fully described. BILLIARD TABLE CUSHIONS—Geo. W. Holman, of New York City: I do not claim an elastic cushion for billiard tables, but I am not aware that a whalebone facing has ever before been applied to said elastic cushion, whereby the new and useful results specified are attained. Therefore I claim the whalebone facing to the elastic cushions of billiard tables substantially as and for the purposes specified. QUARTZ CRUSHERS—Wm. H. Howland, of Sacramento, Cal.: I do not claim broadly the raising of a pestle or weight by having a horizontal cam acting upon a pulley or circular disk on its end or shaft, for this is a device that has been previously used for analogous purposes for operating rock drills, &c But I claim, first, the arrangement and combination of the annular mortar, A, and pestles, J, substantially as and for the purposes set forth. Second, Having an annular feeding chamber between the upright, C, and the inner surface of the cylinder, L, arranged substantially as and for the purposes set forth. [See another page for a description of this improvement.] SEBD PLANTEES—James J. Johnston, of Alleghany, Pa.: I claim, first, the arrangement of the flexible bottoms, b, springs, c, rod, d, and division piece, e, in the seed chambers, a, as herein described and for the purpose set forth. Seond, The arrangement of the depositing tube, g, with lugs, t, share, h, rod, i, lever, j, and sliding gate, k, as described and for the purpose set forth. LAMPS—Edward F. Jones, of Boston, Mass. : I claim securing the chimney to the removable cap, and both of them to the lamps by means of a spring operating in the manner substantially as set forth. REVOLVING FIRE ARM—Benj. F. Joslyn, of Worcester, Mass. : I claim revolving the cylinder, B, by means of a slotted spring clutch cylinder, D, operated by a lever, G, as described. [The nature of this invention consists in combining and arranging a series of parts in such relation to the hammer shaft as to enable it to operate upon the same in such a manner as to not only revolve the required distance by the act of cocking the hammer, but also secure them firmly while in communication with the stationary barrel and also in making the ramrod susceptible of being increased or diminished in length and operating it by a duplex motion. SMUT MILLS—John C- Kelley and Amos Frost, of Edinburgh, Ind.: We claim, first, the arrangement of the hopper as constructed with the air passage, F, in the manner herein set forth and for the purpose described. Second, We claim the peculiar arrangement of the scourer as constructed with the air passage, D and C, connecting spout, a, and fan, B, for the purpose of separating the smut trom the wheat as fully set forth. SEEDING MACHINES—James F. Kierstead, of La Porte, Ind. : I do not claim separately the adjustable perforated bar, E, nor the reciprocating bar, G, with its pendents, h, attached, for such devices or their equivalents have been previously used. But I claim the reciprocating bar, G. provided with the pendents, h, and the adjustable perforated bar, E, in combination with the bar, L, the parts being arranged relatively with eaoh other and the discharge openings, c, so as to operate as and for the purpose set forth. [The object of this broadcast sower and coverer is to prevent the distributing device from becoming choked; to ensure a perfect and even movement of the same, and one that may be regulated to discharge more or less seed from the hopper in a given time as required: and further to obtain a perfect covering device, one that will conform to the inequalities of the ground and be under the perfect control of the driver.] CORN HUSKER—Chaa. N. Lewis, of Seneca Falls, N. Y-: I claim the combination and arrangement of the lever, H, tilting arm, I, blade, C, and yielding gauge, D, operating conjointly substantially in the manner and for the purpose described. MOWING MACHINE—Henry Marcellus, of Amsterdam, N. Y.: I claim attaching the main frame, D, of the machine to the axle, A, by connecting the frame by means of journals, c d, to the sleeve or collar. C, which is placed loosely on the axle, A, substantially as and for the purpose set forth. [This invention consists in a novel way of attaching the main frame of the machine to its axle, whereby the sickle is allowed to conform to the inequalities of the ground without at all affecting the perfect operation of the driving gear, and the machine as a whole rendered extremely simple and effective.] PUNCHING METALLIC TUBES—Benj. Mackerley, of New Petersburg!!, Ohio : I claim thecombination of the mandrel, a, the punch, d\ and the detent, j, substantially in the manner and for the purpose set forth. I also claim the use of the gouge-shaped wedge, k, in combination with the mandrel, a, and the punch, d'. substantially in the manner and for the purpose aa set forth. AUTOMATIC LATHE—John Me Nary, of Brooklyn, N. Y. : I claim the eliding or traveling lathe heads, K L, between which the stick to be turned is centered in combination with the rotary cutters, c, when the above part-sare arranged to operate as shown, viz., so that the stick will be gradually fed to the cutters until the desired form is given it, and then its feed motion stopped and the stick rotated, so that a perfect symmetrical form may be given it. I further claim giving the feed and return motion to the stick to be turned, and also rotating the same from the cutter shaft, B, b means of the screw, g, on said shaft, worm wheel, h, on shaft, F, in connection with the gearing, w a1 b', screw, d1, worm wheel, e\ and the screw, p, on shaft, G, together with the gearing through the medium of which the screw shaft, I, is rotated, the above parts being used in connection with the lever, H, and the catch, n, rod, a, and with the pawls, 1' n', actuated by lever, O, ana pinion, u1, the whole being arranged to operate as and for the purpose set forth. [See notice of this improvement on another page.] STEAM BOILERS—James Montgomery, of Brooklyn, N. Y. : I do not claim vertical tubes in Doilera connected with water spaces above and below except under an arrangement like that set forth, viz., where the lower water space is immediately over the fire, and the draft of the furnace returns over said space and among the tubes as set forth. That is to say, I claim the arrangement of the series of tubes placed vertically or nearly so between an upper and a lower, and connecting vertical waterspaces, when said lower water space is made directly over the fire chamber and the draft is returned over said lower space and among the vertical tubes as set forth. Second, And I also claim the arrangement of the shield plate in combination with and interposed between the crown sheet of the furnace and the lower ends of the series of water tubes, substantially as and for the purpose specified. ARRANGEMENT OF GAS ENGINES—John C. Fr. Salomon, of Baltimore, Md.: I claim, first, arranging all the parts necessarily employed in generating and working gaseous vapor within a tight chamber which is supplied with oil, hot air or other suitable heating medium, substantially as and for the purposes set forth. Second, The employment in combination with the above named tight chamber, of the combined arrangement of fire flues, smoke stack; circulating coil, boilers, vapor chest, and cylinder for accomplishing the objects above specified, substantially as set forth. [See description of this invention on another page.] CHUCK FOR SCREW CUTTING—Richard Nuttall and John Kirkpatrick, of Alleghany, Pa.: We claim, first, the projection, j, on the movable die seats, and the transverse elot or notch, k, in the removable cutting dies, the one being adapted to the other as described and for the purpose set forth. Second, The use of the troll plate when constructed as specified, and operating in connection with the die seat and die as set forth. FLUID METERS—Wm. C. Perrine, of New York City : I claim making the measuring chambers gradually larger in each direction from near the middle, where the exterior edges of the diaphragms arefastened substantially as described, so that the diaphragm will be held by the water or remain in contact with the part so enlarged until it is drawn away by the center of the diaphragm or by the plates which move and traverse with the center of the diaphragm. I claim the recesses, P P, in the ends of the measuring chambers, in combination with the plates, H H, arranged to work into them (the said recesses.) I also claim the openings, w w, in the plates, H H, provided with valves, or such equivalent openings as will well answer the same purpose. I claim making recesses, p p, with their sides parallel, in the flanges, T T, so that that portion of the diaphragm in or opposite to said recesses, may vibrate a very little, between the measuring chamber and the line where it is bound or held firmly by the flanges. HOISTING MACHINES—Reuben Packard, of Rockland, Me. : I claim the circular plate or its equivalent, arranged substantially as described, in order that it may be turned easily and held in any desired position by pawls or their equivalents, for the purpose of sustaining any combination of mechanical powers constructed thereon, for drawing or lifting heavy weights or their equivalents. CAST-IRON PIPES—Clifford Pomroy, of Pottsville, Pa. : I claim a cast-iron pipe chilled inside, as a new article of manufacture, for the purpose of conveying fluids impregnated with or containing substances which soon destroy iron pipes which are not so chilled. CEMENTS FOR ROOFING—Richard Simons, of Rock ford, 111. : I claim the composition of ingredients when compounded in the manner set forth. DEVICE BY WHICH THE WIDTH OF THE BOLT CHECKS THE FEED IN SHINGLE MACHINES—A. C. Sawyer, of Canto n, N. Y. : I do not claim the use of a race bar, N, nor do I claim or limit myself to the use of a rack and pinion feed, as a screw or chain could easily be substituted; nor do I limit myself to the particular place in which the lever, L, hangs, whether before or after the saw. But I claim the use of a lever, L, hanging by the side of the saw in such a manner that the bolt in running under it will raise or lower it, and adjust the travel of the carriage, for the purpose and in the manner substantially as set forth. SEWING MACHINES—E. Harry Smith, of New York City : I claim arranging the cranks and connections to the needle and shuttle in substantially the manner set forth, whereby the differential movements are imparted to the needle and shuttle in the alternating manner described. VENTILATING AND EXCLUDING DUST FROM RAILROAD CARS—A. B. Spencer, of Rochester, N. Y. ; I claim the revolving wet sheet or endless apron (passing through water) for the purpose of cleansing and purifying the air as it passes into the car, which sheet or apron, together with the tank containing the water, and that portion of the bottom whereon it rests. I claim as a partition, by which I divide the instrument into two complete ventilators, either of which as set forth will act as the downward ventilator, while the other always acts simultaneously in the opposite direction. GAS GENERATORS—Wm. N. Taylor, of Philadelphia, Pa. I claim, first, The combination of the retort, with a series of movable partitions connected so that all can be taken out together, and so arranged as to divide the retort into a series of chambers through which the gas circulates in its passage from the lower chamber to the discharge pipe, for the purpose described. Second, Dividing these chambers by means of punctured diaphragms or their equivalent, arranged as described, in order to retard the passage of the gas, and bring the entire volume in contact with the heated metal for the purpose described. LAMP ATTACHMENT FOE PREVENTING SMOKE, &C.— Ralph Thomas, of Hoboken. N. J. : I claim the movable cap provided with a schreved screen top A, and base piece, (J, when applied to lamps, constructed and operating as set forth and described. TYMPANS FOR PRINTING PRESSES—L. T. Wells, of Cincinnati, Ohio : I claim attaching the cloth or parchment, B, to the frame, A, of the tympan, by means of the leather strips, c, provided with eyelets, d, said strips, c, being fitted in grooves or rebates in the frame and the cloth or parchment attached to the strip of the lace, C, substantially as described. [A notice of this improvement will be found in another column.!) HARVESTERS—Lewis Miller (assignor to C. Aultman & Co.) of Canton, Ohio ; I claim so hinging the bar or beam which carries the cutters and fingers to the beam, L, as that it may be raised up, folded over, and carried upon the main irame, substantially as described. I also claim, in combination with the beam, L, hinged as described, the braces, N S, rigidly connected therewith, but hinged at their opposite ends, so that the beam, L, may rise and fall at pleasure, but be permanently braced in its proper position to give the cutter and finger bars or beams in turn their proper working position, as described and represented. HARVESTERS— Lewis Miller (assignor to C. Aultman & Co.), of Canton, Ohio : I claim, in connection with the inner shoe, an adjustable supporting wheel, when said wheel is in advance of the point of the divider or shoe, as set forth. HARVESTERS—Lewis Miller (assignor to C. Aultman & Co.), of Canton, Ohio : I claim so combining a reel, with a platform and main frame that are hinged together, as that the raising and lowering of either shall not in any wise injuriously affect the rotation and uniform action of the reel, or change its position with regard to the cutters, for the purpose and in the manner substantially as described. SHEET METAL CHAINS—James Lancelott, of Cranston, R. I, assignor to Sackett Davis & Co., of Providence, R. I. : I do not claim the making ot au ornamental chain from steel metal, neither do I claim the weaving of a chain by turning over the arms of each link upon the body of the next link without the use of solder. But I claim the forming of the body of each link into a dome disk or cap, so as to admit of the projecting arms of each link being bent at a very acute angle against the sides of the dome or cap of the next succeeding link for the purposes specified. BOOT TREES—Wm. W. Willmott (assignor to himself and H. F. Gardner), of Boston, Mass. : I claim in the application of the screws, the rod and toggles (or mechanical equivalents) to the front and back portions, AB, of the leg of a boot tree, the arrangement of the two sets of toggles as shown in the drawings; and the application thereto of the screw rod, H, in such manner that it may be free to move longitudinaliy during its rotary motions on its axis, the same being for the purpose as specified. I also claim combining the regulator or latching mechanism, N,e e (or their equivalent) with the back and front parts, A B, of the leg portion of the boot tree and the separating mechanism applied thereto, and made to operate therewith, substantially as described. SAWING MACHINE—H. S. Vrooman. of New York City, assignor to Henry Albro, of Covmgton, Ky. : 1 do not claim, broadly, the sawing of logs or bolts in volute form, for this has been previously done. But I claim, first, The traveling or sliding collar M, on lever, E, as connected with the knife or saw frame, B, the pawl arms, N N, in combination with the recir,- j rocating connecting rod, G-, the vibrating lever, E, the pawls, w w', and the ratchet wheel, O, whereby an increasing rotary speed of the log or bolt, U, is obtained from the traveling collar, M, passing down to a wider sweep of lever, E, as set forth, the power being transmitted from the ratchet shaft, P, to the bolt D, as ehown, or by any other equivalent device, for the purpose described. Second, The cutters, p, attached to the carriage, L, operated automatically by and in combination with the vertical screws, for the purpose set forth. Third, The lateral moving knife plate or stock c, crank D, operated by and in combination with the vibrating lever, E, for the purpose shown. Fourth, The combination of the knife, C, cutters, p, and the feed movement of the bolt or log, U, when the whole are arranged to operate as and tor the purpose set forth. RE-ISSUES. SIRUP CASTEES—Edmund Bigelow, of Springfield, Mass. Patented April 6,1858: I claim the combination of a self-measuring faucet and air tube with each of two or more reservoirs for sirup or like fluids, the reservoirs being on a common base forming a caster, substantially as and for the purpose specified. HARVESTERS—Charles Crook, of New Hope, Pa, Patented May 5, 1857 : I claim, first, Operating and changing the speed of the cuttera by means of the internally geared wheel, I, and spur wheel, D 2, in combination with the pinion, J, the same being arranged and rendered adjustable, substantially as set forth and for the purpose specified. Second, Connecting the rod, Gt to the end of the lever, F, by means of the swivel joint, i, when the said joint is situated ator near the center of vibration of the cutter frame. BAGASSE FURNACES—Abraham Hager, of Baton Rouge, La., and Youngs Allyn, of New Orleans, La. Patented May 6,1866 : We make no claim to the insertion in Bagasse furnaces of a grate inclining from the front of the furnace to a position under the exit flue for the products of combustion, as the operation of such grate will be different from what is designed to be effected by our construction. But we claim inserting in the furnace a skeleton dome rising above the exit flue, so as to arrest the fall of the wet bagasse, and for a limited time retain it above the fire, without obstruction to the draught for the furnace, substantially as set forth. BOXES FOR RECEIVING PASSENGERS' FARES—John B. Slawson, of New Orleans, La. Patented July 28,1857.: I claim a fare box having two compartments, into one of which the fare is first deposited and temporarily arrested previous to its being deposited in the other when the former is provided with glass sides, so arranged that the passengers can see through one, and the driver or conductor through another, in the manner substantially as and for the purposes set forth. DESIGNS. COOKING STOVES—Russell, Wheeler, and Stephen A. Bailey, of Dtlca.N.Y. CLOCK CASE FRONTS—Samuel B. Jerome, of Water-bury, Conn.
This article was originally published with the title "A Deadly Color" in Scientific American 13, 36, 281-283 (May 1858)