These columns are open to all patentees. The notices are inserted by special arrangement with the inventors. Terms on application to the Advertising Department of the Scientific American. Pertaining to Apparel. HAT.—H. BENSBL, 520 Fifth Avenue, New York, N. Y. This invention is an improvement in women's hats, and has in view a binding at the edge of the brim which will securely connect the inner and outer facing3 of the hat together and keep the iinmg and covering, if such should be provided, well slretcncd out, and give this part of the hat a finished appearance. Electrical Devices. INSULATING COMPOUND.—Evalena O. Leggett, 1630 Michigan Avenue, Niagara Fans, N. Y. This compound is more especially adapted to the insulating oC electric wires or cables. It will act as a perfect insulator. and will be unaffected by ordinary variations of temperature. It can be applied after the manner of paint, which will dry quickly and will not crack or clip off. It id also a waterproof compound which will not “sweat." APPARATUS FOR EXPLODING MINE CHARGE S.—J. Krannichfeldt, (Schulz-Agent) Cologne, Germany. Former intermediate switches were driven by clockwork, so tha t in exploding all the charges in a mine one is bound to the time of the clockwork. To overcome this drawback and to enable the charges to be exploded at desired intervals---if necessary only after examining each circuit —the intermediate or local switch, according to this invention, is controlled, adjusted or operated by electric means from a distant and therefore safe central station. ELECTRIC PUSII BUTTON.—J. L. Moii-rell, 15 Audubon Avenue, New York, N. Y. This invention provides a resilient rest for the plug employed in push buttons which forms an therefor to avoid the rocking of the button when depressed to complete th<* electric circuit in which it is incorporated ; provides contacting members for completing the circuit arranged to avoid the usual carbonizing thereof; extends the supporting base of the resilient member of the button ; and reduces the labor of assembling the button. Of Interest to Farmers. MACHINE FOR PICKING FEATHERS FROM FOWLS.—C. W. Smith, care of Swift&Co., Produce Dept., Fort Worth, Texas. An object of the inventor is to provide a machine for picking feathers which will effectively accomplish the operation without injury to skin of the fowl. A further object is to provide a device by means of which the feathers may be removed in a much less time than in the ordinary operation. SWEEP RAKE.—E. 11. Rock, Route No. 3 Studley, Kan. In the present patent the invention has reference to an improvement in rakes of that class which are known as sweep-rakes or drag-rakes and which are provided with long gathering teeth that project in front barker removes bark from logs which are to wheels. HAY STACKER.—E. B. Rock, Route No. 3 Studley, Kan. In gathering hay in the field and conveying it to the stack, large wheeled rakes commonly known as sweep-rakes arc employed. As the stack grows in height, the difficulty of delivering the hay thereon increases correspondingly, and, to facilitate the operation, portable frames, called hay-stackers, are frequently brought into use. The invention is an improvement in this line. SCOOP FOR EMPTYING PANS.—K. J. Ross, care of L. C. Turley, Harbison-Walker Refractories Co., Portsmouth, Ohio. This improvement provides a shovel or plow which is mounted to rotate on a slui tt disposed over the pan so that it may be rotated into or out of operative position, a lever being pivoted to the plow and being adapted to engage a ratchet in a sector member for holding the plow in a predetermined position. Of General Interest. DISPENSING APPARATUS.—L. K. Larri-son, Wharton, N. J. This invention refers to a device whereby a predetermined amount of liquid can be dispensed from a bottle or other receptacle. An object is to provide a receptacle with an internal receptacle or conduit adapted to receive any predetermined amount of liquid from the first-mentioned receptacle, to remove the same from the said receptacle. COLLAPSIBLE TUBE.—C. H. Stuart, Newark, N. Y. In the neck of the tube is a valve by which the discharge of the paste or liquid from the tube is readily controlled, the valve embodying a piston extending crosswise of the neck of the tube and having a discharge passage in its lengtii movable into register with the discharge passage of the neck, the valve having enlargements at each end, one exteriorly arranged and constituting an operating member by which the valve is revolved, and the other preventing the valve from being drawn from the neck. BANDED BARKER.—I. Richards, care of F.A. Long, Au Sable Forks, N. Y. This barker removes bark from logs which are to be made up into paper pulp, and the invention particularly relates to reinforcing means, in the nature of bands for strengthening and lengthening the life of 'the barker. The barker comprises a plurality of members, spaced apart one from the other and secured to heads with bands encircling the same [throughout the majority of the circumference, thereby increasirg the strength, rigidity and durability of the structure. RURAL LETTER CARRIER'S ALL METAL CABINET.—William T. Smith, Tunnelton, Ind. This invention is an improvement in rural letter carriers' all metal cabinets, and is shown in perspective in open position in the illustration. The mail box is shown as separated into a plurality of compartments by a transverse partition and by partitions at right angles. A rod holds the box in horizon- tal position and the toggle levers are of such length that they are aligned when the box is in this position. The arms act in the manner and, in fact, are t springs to lift the lid or cover. The pocket is designed for letters, .while the compartments are for papers and packages. In normal position the box is supported on a dash board and floor of the carrier's wagon. The box is preferably of galvanized material and may be of any desired size. MANUFACTURE OF SCREENS FOR USE IN COLOR PHOTOGRAPHY.—L. Du Hauron and R. De Bercegol, 17 Avenue Pauline, Join-ville-le-Pont, Seine, France. The object to be obtained is to cover a transparent or translucent surface, such as glass, celluloid, paper, etc., with an extremely large number of exceedingly small regular figures, e. g., bands, rectangles, lozenge-shaped figures, etc., having three distinct colors placed close together without any interval, and each of which theoretically should, altogether, cover a third of the surface. CLEANER FOR CHALK ERASERS.-—J. A. Jones, 321 W. -10th Street, Anderson, Ind. In this instance the invention is an improved apparatus for use in removing chalk dust from black-board erasers, and in practice the inventor employs with it rough and fine pencil-sharpeners which are operated by the same shaft and the same motor as the chalk-eraser. FOLDING SCAFFOLD.—E. Zahn, Rhodesia Park, Norwalk, Conn. The invention has reference to folding scaffolds for general use, his more particular purpose being the provision of a simple, strong and efficient scaffold suitable upon the -exterior faces of building walls and adapted to be let out and drawn in through windows .and the like. SUCTION APPARATUS.—A. Sauer, care of Sauer Power Generating Company, 5115 Ro-setto .Street, Pittsburgh, Pa. This invention provides a suction or vacuum apparatus, for heating, ventilating, refrigerating and other purposes. Use is made of a suction chamber provided with an annular passage connected with a steam supply and from which lead a number of spiral passages into the suction chamber to produce a vortex blast in the suction chamber. LENS MOUNTING.—G. Lowenstein, 668 Park Place, Brooklyn, N. Y. This invention relates more particularly to mountings, in connection with spectacles and eyeglasses, the special purpose being to produce a device in which the lens is readily detachable from the framework normally supporting it, and yet when held in position by the framework the lens is secured with a proper degree of firmness. WRITING POSITION AND MOTION TRAINING CARD.—J. L. Montgomery, 259 Rich Avenue, Mount Vernon, N. Y. This improvement provides a card na med with openings or stencil forms arranged to control the movement of an inscribing pencil; and to form a paper guide and paper rest to control and facilitate the formation of the marks, the repetition whereof, it is found, trains the hand and arm of the students of chirography. SAFETY RAZOR.—E. P. McCollom, 810 North Avenue W., Allegheny, Pa. The improvement is in that type of safety razors in which a reversible blade is secured detach-ably upon the toothed head or guard, and more particularly in such sub-type as includes a spring handle having the extremities so constructed that they are adapted to enter notches or open slots in the blade, and thus serve as a means tor securing the latter. | Hardware and Tools. WRENCH.—Edward L. Marshall and George P. Pavlik, Ruth, Neb. This improvement in wrenches has for its object the provision of a convenient wrench of the alligator type, comprising a handle, a fixed and a movable jaw, and having means for moving the movable jaw toward and from the fixed jaw, and for locking it, in adjusted position. As shown in the illustration, the cover plate of the wrench is removed. The lower jaw is fixed and the upper movable jaw is provided at its inneij end with an enlargement filling the recess. A t the center of the recess the jaw is perforated, and counterbored around the opening to secure the hub. The wrench is simple and compact, and the parts are easily assembled. FOLDING BRACE.—F. D. Turner, Box 84 Woods Cross, Utah, and N. DmF. Corser, Salt Lake City, Utah. It is well known that one of the most inconvenient tools to pack away is the ordinary carpenter's brace. An object of the invention is to provide a device which is capable of being folded up in to a compact form so as to occupy little room in a tool chest or carrier, and which can be easily adjusted to the proper working position. Heating and Iii«liting. GARBAGE CREMATORY.—Ralph E. Nye, Hobart, Okla. In this case the invention is an improvement in furnaces for vse in incinerating garbage and has for its object to provide a novel construction in which garbage and the like may be readily moved into the incinerating Chamber on a car adapted for GARBAGE CREMATORY the purpose and may be effectively dried and burned. The walls of the apparatus may be of brick or other suitable material. A ver-tical cross section of the apparatus is shown in the engraving. The apparatus may be used for cremating dead animals and for consuming garbage, excrement, manure and other obnoxious tilth requiring intense heat. Machines and Mechanical Devices. MACHINE FOR CONVERTING PULP INTO SHEETS.—H. G. Rogers, Au Sable Forks, N. Y. This wet machine forms paper or other pulp into sheets, and delivers the same in a partially dry state. It has an increased capacity over machines of the same general type, .and in which the sheets are delivered with a relatively small amount of moisture and in uniform lengths and widths antil without the use of knives, pins or shears, and without substantial waste of the pulp. FLYING MACHINE:—C. F. Kohlruss, Washington and Ellis Streets, A ugusta, Ga. In this machine the weight is in the exact center of the supporting surface, and below the same, thereby greatly increasing the stability ,wd lessening the liability of upsetting by unexpected gusts of wind. In case the motor or motors should stop the planes would permit the machine to settle down gradually to the earth in the manner of a parachute. MACHINE FOR REMOVING WA STE GILDING.—R. J. Cooper, Jr., R. 11. Sanford, and W. Brady, 10 May Street, New Rochelle, N. Y. The invention refers to a machine for removing the excess gilding material from a cover after lettering or figuring has been impressed thereon, and to scrape off the waste without danger of injuring the covering. It provides a rotary buffing member with a movable table adapted to adjust the work into and out of engagement with the buffer, and with means for adjusting the position of the table. EE/CAPE VALVE'.—J. D. Brower, Jr., Pacific Grove, Cal. This invention relates to valves for use in connection with water mains and the like, to permit the escape of gas or air from the main when the water or other fluid is allowed to enter the same, and relates more particularly to a device of this class comprising a main valve adapted to control the escape of gas or air from the main, and an auxiliary valve controlling the main valve, and itself operable by the liquid in the main or conduit. FLUSHING VALVE.—IT. R. Gilson, care of Amhridge Savings Trust Co., Beaver, Pa. In the present patent the purpose of the invention is the provision of a cheap and efficient flushing valve which will operate with any water pressure, and which may be adjusted from without to control the flow of water to meet the requirements, although the water pressure may be greater or less than normal. VENDING MACHINE.—E. L. Robinson, Fire Station No. 2, Topeka, Kan. The object ihere is to provide a device which upon the insertion of a coin of the proper denomination, will deliver a measured quantity of unshelled nuts into a shelling device and thence into a bag, which has been taken from a pile of the same and held in the proper position by mechanism actuated by the same coin. BLUE PRINT WASHING AND DRYING MACHINE.—O. Hoops, 500 Park Avenue, care of Bldg. Bureau, New York, N. Y. The aim in this invention is to provide a machine having two endless belts, having sprocket openings at their sides, which are disposed against each other, and which run over rollers with sprocket teeth journaled in a casing containing tanks and a compartment for respectively washing and drying the blue prints. The last are conveyed between the belts through the machine, and are introduced and removed at points outside the casing where the belts are spaced from each other. AIRSHIP.—C. V. Johnson, Box 1396 Gold-field, Nev. An object of the improvement is to produce an air ship having a construction rendering it easily manageable, having improved means for maintaining its equilibrium, and for directing the course of the air ship. A further object is to provide an arrangement whereby the air ship can float and be propelled in water in case it should alight upon that medium. MEANS FOR THE PROPULSION OF AUTOMOBILE TORPEDOES.—Albert E. Jones, Picard Agent, Fiume, Austria-Hungary. The object here is a means of propulsion specially adapted for obviating numerous defects, at the same time diminishing the friction due to the passage of the shafts through stuffing boxes. This is obtained by arranging the axes of the motor cylinders of the group in planes parallel with the longitudinal axis of the torpedo and below the axis of . propulsion, in the direction of running, and also of increasing the stability of the torpedo by lowering its center of gravity. This construction allows of connecting rods and cross-heads of normal length. Means provide a hermetic sealing of all the parts. PUMP.—E. L. Harper, Jr,, 522 W. 16lst Street, New York, N. Y. Among the principal objects which the present invention has in view are: To provide means for correcting the swirling of the water within the barrel of a pump, and in the delivery column thereof ; and to provide in a rotary pump devices for correcting tne swirling of the water as and when the same is delivered from the various blades or fins. sewing machine attachment.—d. Wai,d, O. C. Britsch, and M. Taigman, New York, N. Y. The object here is to provide an attachment for sewing machines, whereby the motor, and controller therefor, will be in an unexposed, unobtrusive position, and whereby either or both the motor and controller can be readily detached for the purpose of renewing or exchanging. VENDING MACHINE.—C. H.' Scofield, Cherry Valley, N. Y. An object of this inventor is to provide a coin-controlled means for automatically delivering an aliquot quantity of peanuts. Further, to provide a means for automatically supplying a bag or other receptacle to the purchaser ; and also to provide means for keeping peanuts or other articles stored in the machine, at a suitable warm temperature. THROTTLING DEVICE FOR MARINE EN-GINES.—O. J. McGowan, New York, N. Y. this improvement provides means for shutting off the steam supply of an engine when a seagoing vessel is lifted by the waves to the position commonly called pitching; provides a rocking valve operable by the swing of the hull of the vessel relative to a constant vertical member; and provides a mechanism for th rottling the steam supply main of a marine engine. FLYING MACHINE.—L. C. Kincannon, Seabright, Cal. This invention is an improvement in machines of the character disclosed in Letters Patent formerly granted to Mr. Kincannon, the machine embodying in its construction a number of rotary carriers each having wings or vanes arranged about its axis and which are intermittently revolved to present the upwardly moving vanes or wings vertically and the downwardly-moving vanes or wings horizontally. . . \ CONCRETE WALL MOLDING DEVICE.— R. W. Fuller, R. F. D. No. 2, Seiling, Okla. An object of this invention is to provide a device comprising movable side members forming parts of a mold, said members being so arranged that they may be securely fastened together when the form is being molded, and can be removed laterally from the wall when it is desired to remove the mold. AEROPLANE.—R. P. Hall, Searchlight, Nev. This invention provides a machine with lifting ca paclty to support the weight of its load and a limited amount of freight or number of passengers ; provides means for steering the machine vertically and horizontally; provides means for automatically balancing and maintaining the lateral stability ; and provides a parachute attachment for landing in the event of damage to propelling means and supporting surface of the machine. Prime Movers and Their Accessories. INTERNAL COMBUSTION ENGINE.—T. E. Friend, 17 State Street, Norwalk, Ohio. The object of the inventor is to provide an engine having an arrangement of parts such as will secure the maximum horse-power with the minimum consumption of fuel. Further, to secure a perfect mixing of the charge so as to secure the utmost efficiency from the fuel. Further, to prevent the overheating of the engine. STARTING BURNER.—H. W. Gardner, care of Farmers'&Mechants' Bank, Springfield, Mo. This invention comprehends a burner of rather simple construction having its various parts suitably arranged, whereby oil in a liquid form and air under pressure are admitted directly into the burner, the air in making its escape serving to a tomize the oil and thus form with it a combustible mixture. Railways and Their Accessories, LOCK NUT.—J. G. Wolfe, care of P. S. Jennings, 90 West Street, New York, N. Y. For the purpose of preventing accidental unscrewing. of the nut, it is made in sections and the opposite faces of the sections are provided with cam surfaces for pressing the sections away from one another against the threads of the bolts to lock the -nut in place, at any desired point along the bolt, and means for locking the nut sections together to prevent the same from turning. CROSS TIE.—W. E. Jones, Chase Mills, N. Y. This invention relates to cross ties for use with railroad track rails and the like, and has reference more particularly to a cross tie which comprises a body, and rail-supporting means at each end thereof mounted to swing into and out of normal positions and having a limited movement longitudinally of the body, this movement serving to raise or lower the rail-supporting elements. CAR STEP REGISTER.—R. M. Balch and L. R. Balch, Neillsville, Wis. This invention comprehends a number of steps provided with depressible platforms, these platforms being too narrow to accommodate more than one person at a time, and .electric indicating mechanism connected with the various platforms and controllable by movements of the same for the purpose of counting or indicating the persons depressing the platforms with their feet as the persons move along. TIE NIPPER.—William A. Scott, Consul, Ala. This device is represented herewith in a perspective view and placed for operation. In this operation the block forms a fulcrum for the bar, and the latter may be lengthened or shortened to suit conditions. The device iri assembled by first passing the eye bolt through the slot, with the transverse pin in place. The block may then be placed be- TIE NIPPER tween the sides of the plate, an d secured by the bolts, after which the bar is engaged with the eye bolt. The flange limits the rocking movement of the block toward the operator. The nipper is adjusted by inserting the small end of an ordinary claw bar In the sleeve, thus giving power to the nipper to hold the tie against the rail while being spiked. Pertaining to Vehicles. PERCUSSION MECHANISM FOR AUTOMOBILE TORPEDOES.—A. E. Jones, 2 Via Volosca, Fiume, Austria-Hungary. The object here is the improvement in the percussion mechanism of automobile torpedoes in which the striker is maintained in the cocked position by a lever connected with a. releasing member acting by inertia; and it has particularly in view to Improve the conditions under which the mechanism operates and the certainty of its operation. Note.—Copies of any of these patents will be furnished by the Scientific American for ten cents each. Please state the name of the patentee, title of the invention, and date of this paper. 416 Making each day 's shave a pleasure You men who find shaving an effort that ends in a smarting, sore face, can now have a cool, smooth, comfortable shave by using the New TORREY Strop The sharpening side is dressed with our wonderful new sharpening preparation, that will last a lifetime without renewing. Just strop your razor on this surface once or twice a week and on the leather finishing side before and after each shave. 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