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. CONVERTIBLE COLLAR.— A. M. H ajek, New York, N. Y. This garment improvement relates particularly to a reversible collar, which may be changed from a perfect normal to a perfect military collar. The invention provides a collar in which the outer or normally visible surface of the normal collar is perfectly protected from being soiled when reversed to form the military collar. HAT GUARD.— A. Wallace, Jr., New York, N. Y. In this invention the purpose is tc provide a new and improved hat guard for convenient attachment to a hat between the sweat hand and the crown, and provided with f normally folded cord which can be readily un folded and attached to the coat or other garment of the wearer, to guard against loss of the hat. HOOKAND EYE.— A. F. Wileman, 70 Gold-hurst Terrace, Hampstead, London, N. W., England. This invention refers to what may be termed safety-pin hook and eye fastenings; that Is, fastenings which are provided with a pin serving. in lieu of sewing, for securing tile fastening to articles of ladies' attire. The Improvement consists more particularly in tile method of securing a pin to each element of a fastening made from stamped-up metal. Electrical D evices. FUSE SWITCH.— A. L. Weekes, Harpen-dale, Herts, England. This invention relates to fuse switches, that is, switches in which the current is caused to pass over fuses forming part thereof. Current is passed by way of one contact, spring switch blade, spring clip and fuse to the other spring clip, switch blade and contact. The arrangement of the fuse member at right angles to the switch arm so that two ends of the fuse and the switch blades move simultaneously away from the main contacts and in a parallel way is an important feature. The blades formed as spring members enable solid main contacts to be used. TIMER.— G. T. Brown, New York, N. Y. This timer is for use in controlling the closing of a plurality of electric circuits in succession and relates more particularly to the type of timer commonly employed with the electric ignition system of mutiple cylinder internal combustion engines. The timer is formed so tha t the length of time during which the contact is made, will be substantially uniform irrespective of the speed of the engine. Of I nterest to Farmers. COTTON CLEANER.— A. L. Treese, Jennings, Okla. Among the principal objects in view in this case are: To provide a mechanism for cleaning cotton by pneumatically eliminating the dust and dirt therefrom; to provide means for controlling the operation of the cleaner and to provide a cleaner which is continuous in its operation. WHEELED PLO W. — John N. Tholl, Rupert, Idaho. This invention is an improvement in reversible wheeled plows in which the frame to which the plow bodies are attached is adapted for adjustment relative to the main frame and the wheels, as required for plowing deeper or shallower and for holding the wheeled plow. plows vertical or In due position for effective work. The frame of the machine is essentially rectangular, it being formed of metal side bars. A plan view is shown in the engraving. Means provide that one wheel is adjusted higher or lower than the other, and vice versa, whereby the level of the plow frame is preserved while one wheel runs in the furrow and the other on the unbroken land. ANCHOR FOR WIRE FENCES.— J. Rine-iiart, Vanatta, Ohio. In this patent the invention Is an improvement in anchors, and is designed to hold down the wire of fences between the fence posts to prevent the wire from being raised by hogs. The invention further resides in a driving block for sinking the anchor in the ground, with the tie wire in place. INCUBATOR LAMP CHIMNEY.— G. H. Lee, Omaha, Neb. Among the principal objects which the present invention has in view are : To provide a cover for a lamp chimney constructed to control the circulation of air in connection therewith to prevent heat loss by radiation, and to provide a cover for a lamp chimney so constructed as to extinguish the said lamp when same is caused to smoke to excess. Of General Interest. BOX.— W. W. Baird, Cleveland, Ohio. An object here is to provide a blank, which may be cut in one operation with very little waste and which may be quickly set up to form a box. Another object is to provide a box with no creases to weaken the walls of the box, the' box being so constructed that when it is iset up, the side walls cannot become dislodged, except when desired. AUTOMATIC VAL\E CLOSURE FOR WATER COCKS OR FAUCETS— V. L. Garcia, Buenos Aires. Argentina. The present invention relates to an automatic valve closure for water cocks or faucets, adapted to be acted upon by the pressure of the water itself. The body of the faucet consists of two parts screwed together and between these is a pure rubber disk which serves both as a valve and a means for making a tight joint between the parts of the body. Pure rubber keeps its elastic qualities without alteration within the water, as it is the oxidizing effect of dry air which deteriorates and destroys the rubber. DRYING METHOD.— K. Reyscher, Bielefeld, Germany. The method consists in passing the goods in two sections in opposite directions through two currents of air, each current passing over the dried departing portion of one section, then over the heater and then over the wet portion of the other section, whereby the air currents receive the preliminary heat by contact with the dried goods and are then heated by the heater, and finally come in contact with the entering wet goous to quickly dry the same prior to the latter reaching the exit portion of the drying chamber. CLIP ATTACHMENT FOR PAPER ROLLS. -— W. H. Hull, G. L. Cutler, and A. A. Bauman, Gregory, S. D. By means of the attachment the operation of removing any required length of the paper from the roll is facilitated, so that it may be performed in about half the time required with the old attachment. Such rapidity of action is due largely to the fact that the end of the paper strip is held separated from the roll proper so that it may be conveniently and quickly siezed. UMBRELLA CLOTH OR COVERING.— J. Bister, Mamaroneck, N. Y. An umbrella covering made from the umbrella cloth is exceedingly serviceable and has high wearing quality, and arranged to properly shed the water, owing to the silk face , formed by the silk weft threads extending outwardly to the selvage, which latter by its longitudinal ribs give a fine appearance to the umbrella. PLATE METAL TU BING.— P. H. Fri el, Kenosha, Wis. The invention provides a pliable covering material and a rigid body structure inclosed withi' n the material and disposed to prevent the opening of the joint of the material; provides a sheet metal tube, the edges whereof are joined longitudinally and are provided with means for locking the joint io prevent the opening of the same; and provides a locking member for unfolding and holding the edges of metal, bent to form a tube, said member being disposed within the tube. SPARK ARR EST ER.— W. T. Depue, St. Louis, Mich. Mr. Depue' s invention is an attachment for locomotive smoke-stacks and the chimneys of stationary furnaces for the purpose of arresting sparks and cinders and re-conveying them to the fire-box. It is only necessary to modify the a pparatus in respect to size and in some cases slightly in respect to form to adapt it to various uses. RUG DISPLAY E R.— W. J. Smi th, Tiffin, Ohio. The purpose here is to provide a device for holding rugs in such manner that without injury to the rugs, they may he presented to the inspection of the purchaser to the best advantage, and wherein the i' ug may be easily released from the holding means when released. WATERPROOF CELLAR.— .Tames W. Lane, 2015 Baltic Avenue, Atlantic City. N . .T. In some seashore cities and other locations where spndy soil is permeated with water to a short distance below the surface. especially in A tlan-tic City, N. J., much difficulty has been en- countered in providing perfectly water-tigh t cellars, and various methods have been adopted for the purpose, but without the desired practical success, until Mr. Lane' s invention was put in use. In the accompanying illustration there is shown a vertical longitudinal section of a cellar constructed in accordance with the invention. UMBRELLA OR PARASOL.— M. Perell, New York, N. Y. In this patent, use is made of a stick, formed with telescopic sections, of which one is the handle section and contains a spring pressing the other or crown section, which latter carries the crown on which the ribs are pivoted, the runner being mounted to slide on the handle section, a nd being connected by braces with the ribs, the latter being connected by auxiliary braces with the handle section. BOAT RELEASING HOOK.— J. Jordan, Sydney, Nova Scotia, Canada. In this case the invention relates to a new and improved hook adapted to be used in supporting a life-boat or the like, which may be attached to the boat proper or to tackle, and which is adapted to automatically release the boat from the supporting members by the simple movement of a catch. LIFE BELT.— F. Jonata, New York, N. Y. The invention relates generally to life belts and more particularly it involves an improved construction of simple form, the structure of which embodies the use of suitable material, such as canvas, having a plurality of ribs positioned at various points therein, one end of the belt being provided with a suitable valve w hereby air may be emitted or exhausted from the belt. E M BO SSING PRESS.— A. E. Stigberg, New York, N. Y. The invention is an improvement in hand-operated presses, more especially for printing names and addresses on paper, and has in view a press in which the dies can be readily removed and replaced by other dies and conveniently and inexpensively procured. Means provide for the impression to be made at a considerable distance from the edge of the sheet. WATCH FOB.— H. O. Beck, Atlanta, Ga. The object of this inventor is to provide a fob of flexible material having a pocket for containing a picture, or the like, wherein the picture is hidden from view, but easily accessible. The fob may be constructed of leather or other material, and may be stamped with suitable ornamentation. The fastener for the flaps is the usual glove fastener. LOOSE L E A F BINDER.— C. F. McBee, Athens, Ohio. The improvement provides a binder more especially designed for use in railroad offices, manufacturing and commercial establishments and the like, and arranged for filing and subsequently binding loose leaves of tissue paper between two covers in an inexpensive manner without it being necessary to have holes previously punched in the papers. HAR ROW.— L. O. Ekrem, Calumet, Mich. In the present patent the invention has reference to harrows, and it has for its purpose to provide means for rotating the shaft to which knives are secured from the axle on which the wheels are mounted, and also means for raising arms to which the shaft is journaled, the arms being pivo ted to the axle. Hardware and Tools. NUT LOC K.— J. B. Funkhouser, New Brighton, Pa. This invention is an improvement in that class of nut-locks in which a locking device is used in connection with a washer in such manner as to engage the side of a nut and thus prevent its rotation. The locking device is so constructed and applied in connection with the washer and the nut as to lock both. DIAL LEV EI".— J. O. Ostman, Hancock, Mich. An object of this in ven tor is to provide a folding level in which the usual tube of liquid having a bubble as an indicator is dispensed with, forming a stronger and more durable level and having an indicator that will respond more quickly to variations in level, and will show more clearly and closely the amount of variation. SYSTEM OF LAYING OUT STAIR RAILS. — C. C. Grant, Red Deer, Alberta, Canada.— This invention relates to systems for laying out stair rails and the like, for use by car-pen ters, builders and others, and relates more particularly to a system including in combination, means for holding the work, and a marker adapted to engage the work, and movable in a plurality of directions to permit the laying out upon the work of the outlines of the stair rail. HINGE ADJUSTING DEVICE.— H. C. Em-rich, Washington, D. C. An object of this inventor is to provide means for accurately adjusting the hinge, so that a door in its closed position will be in exact alinement with the sides of the casing The device can be applied to any type of double hinge with very little trouble, and by its means the door may be brought into position through the adjusting member, at any time after it is once hung, and with little effort. LOCK.— R. Feola, New York, N. Y. An object in this case is to provide a simple, inexpensive and durable lock, which serves the purposes of the ordinary padlock, which, when In position, prevents the staples or eye-bolts from being filed or cut, and which renders difficult other unauthorized methods of opening the lock. A W son, WIRE TWISTING TOOL.— D. A. Claw Waynesville, Ill. This tool is more especially designed for use in building wire fences, and arranged to permit twisting the vertical wire stays in between the line wires of the fence, twisting the ends of the wire stays around the bottom and top line wires without requiring rotating the handle of the tool around the wire, and allowing placing of the stay wires close together. LATCH.— G. A. Klein and N. B. Piersall, New York, N. Y. The latch is adapted as a fastening for clothing, straps and general usage. It consists of two members, one a pocket normally open at the front, with an engaging spring overhanging the entrance of the pocket having a shoulder, the pocket having rigid side, bottom and top walls, and the other a head constructed to lift the spring in passing into the pocket, and provided with a shoulder for automatically engaging the shoulder of the spring when the head Is nested in the pocket, and means are provided that present no projections on which clothing may be accidentally caught. STRIKING LINE.— H. K. Kiso, New York, N. Y. This invention comprehends a disk-like casing in which is revolubly mounted a drum and upon this latter the line is wound. The unwinding turns the drum in one direction , and it is retracted by a spring. The casing is provided with a sector-like opening, and fitting into this opening is a hollow door through which the line is drawn, and disposed within the door is the inking apparatus. LAWN CLEANEH.— C. H. Mosher, Salisbury Mills, N. Y. The object here is to provide side members, to which are pivoted members carrying a shaft having rake teeth and a bar having hooks, the shaft being rotated by gearing connected by the wheels supporting the side members. The pivoted members are adjustable relatively to the side members, and means are provided for holding them in adjusted positions relatively thereto. SAFETY RAZOR SHARPENER. — O. C. Williams, Arlington, Mass. This sharpener renews the edge of razor blades, and particularly that type known as safety razor blades, and used in such safety razors as the “ Gillette.” It will automatically sharpen simultaneously a plurality of edges of a blade. The device will also alternately sharpen the opposite edges of a blade in a continuous manner. SHAVING SET.— J. W. Hawkins, Passaic, N. J. The set contains in very compact form one or more ordinary razors, a strop, brush and soap, the arrangement being such that the strop can be conveniently placed in a stretched position above the casing for containing the enumerated articles. For the purpose mentioned the casing is made in two parts hinged together at adjacent ends, and the strop is supported at its ends on brackets carried by the casing parts. FIRE EXTINGUISHER.— W. S. Kellogg and C. E. Scott, Elizabeth, N. J. The invention comprehends more particularly means for liberating the acid at a point some distance below the surface of the alkaline liquid, in order to insure thorough and quick admixture of the acid and the alkaline liquid. The operator may cause the extinguisher to send forth either a liquid or a gas, and to direct the same, upwardly or downwardly. Healing and Lighting. FEED WATER REGULATOR.— C. O. Berg-mark, Chicago, Ill. The object of the inventor is to provide a new and improved regulator for use on steam boilers to regulate tile flow ol the feed water automatically, with a view of maintaining the feed water at an approximately uniform level, and to allow of filling the boiler beyond the normal level whenever desired. APPARATUS FOR BURN ING HYDRO-CARBON FUELS.— B. L. Worthen, Tucson, Ariz. The more particular purpose in this instance is to introduce finely comminuted carbonaceous material into a pre-existing flame, and to supply air or its equivalent at the point of contact between the comminuted material and the flame, so as to insure perfect combustion, economy of materials, and a high degree of heat. FU S E LIGHTER.— H. W. Fuller, Globe, Ariz. This device is for use in igniting a fuse or fuses under water. It is intended for use especially with those fuses that arc designed to explode charges in running operations. Many times excavated portions fill up with water, so that it is often hard to explode the charges since the ends of the fuses become wet and therefore do not ignite, even though the outside of the fuse is protected with a waterproof covering. Household Utilities. FOLDABLE BED BOLSTER.— F. Hengel and J. Addis, New York, N. Y. This bolster is sanitary, and is arranged to permit convenient and quick adjustment and to allow. ready folding of the pa rts for cleaning or storing purposes. For this purpose use is made ol' a tubular fabric cover, stretched over heads adjustably held apart by a rod extending through the cover and seated in sockets screwing in said heads. ATTACHING DEVICE FOR CURTAIN STRETCHER.— J. O. Holmquist, Chicago, 111. This invention has reference more particularly to a device which comprises a base adapted to be movably carried by a suitable part of the frame of the stretchers, an upwardly projecting holder adapted to engage the curtain or other article stretched upon the frame, and a guard adjacent to the holder. PERCOLATOR.— J. J. O' Mara, New York, N. Y. This percolator comprises a main pot, a heating chamber having an opening within the pot, a percolating tube, a container for the coffee from which the infusion is to be made, and arranged to have the percolating tube discharge over the material therein, and a connection for removably associating the tube and the heating chamber, this connection forming a tortuous passage connecting the tube and the chamber with the main pot. RECEPTACLE FOR CONDENSED MILK CANS.— W. L. King, Pittsburg, Pa. The aim of this invention is to provide a receptacle in which may be disposed a can, a lid having an opening being provided for covering the receptacle and having a spout adapted to be disposed over the spout of the receptacle. Means provide for covering the space between the periphery of the condensed milk can and the inner wall of the receptacle, and for holding the lid in place. WINDOW FASTENER.— G. W. Stein, Chicago, 1ll. In the present patent the invention has reference to means for fastening windows by a locking mechanism, and an object is the provision of a fastening device to be used for holding one sash in a fixed position with relation to the other which may be readily adjusted to permit the free movement of either sash. WINDOW VENTILATOR AND FLY ESCAPE.— G. W. Stein, Chicago, Ill. The ventilator may be brought into instant use at any time without the necessity of raising or lowering the window sash. It will permit a circulation of air therethrough, but at the same time prevent snow or rain from blowing in through the openings. It may be readily attached to any window. Machines and mechanical Devices. CHOCKING MECHANISM FOR COMPRESSES.— W. Hill, Alexandria, La. The principal object which the present invention has in view is to provide an efficient and rapid means for holding in adjusted position the rapid acting platen of a compress, the means being adapted for arrangement relative to the said rapid acting platen in any position to which the same is adjusted. MAGAZINE FOR TYPE-SETTING MACHINES.— J. J, Hummel, Spokane, Wash. This invention provides a magazine for holding type in position for delivery to a type setting machine having a feeding attachment adapted to mechanically deliver type pieces to the machine; provides for the said type graduated to the thickness of type being handled; provides for attaching the magazine to the font frame of a type setting machine; and provides a magazine to be rapidly and readily placed in position for refilling. OPERATING KEYBOARD FOR TYPE SETTING MACHINES.— J. J. Hummel, Spokane, Wash. This invention provides a mechanism for rapidly operating the keys of a keyboard to arrest the carriers in their flight and in a manner to provide against conflict in selection of the type; provides a locking mechanism whereby the mentioned conflict is avoided; provides a mechanism arranged to produce a necessary interval of time between operations of the keys in harmony with the operation of the above mentioned rotary track mechanism supporting the type carriers. FLYING MACHINE.— O. A. FenN, New York, N. Y. This invention is of the aeroplane type. An object is to provide a machine with a plurality of supporting planes, offset from one another out of vertical— alignment. Means provide for directing the vertical travel of the machine, and a universal rudder for further controlling the direction of travel of the machine. Supporting planes are provided capable of being distorted Into parachute form. POST MOLDING MACHIN E.— A. W. Spooner, Leonidas, Mich. The object here is to provide a machine for molding fence posts ' !ld the like, preferably of concrete, an adapted to mold posts of various shapes, depending entirely upon the form of mold used. The invention comprehends among ' its features, a self-dropping tamping plunger {or suitably tamping the concrete in the mold and pressing it into a shape similar to the form of the mold. COMBINED ELEVATING AND FRUIT CLEANING MACHINE.— A. J. Nye, :Jt. Petersburg. Fla. An object of this inventor is to provide a device by which fruit such as oranges, grapefruit, lemons, etc., may be thoroughly cleaned from scale, dirt or other impurities while being elevated from a lower to a higher floor. The fruit is held positively in position while being cleaned by a series of spring actuated brushes which conform to the contour of the , fruit. VALVES— J. J. Meyer, Yonkers, N. Y. The object of Mr. Meyer' s invention is to provide a new and improved valve for use with high or low pressure water supply, and arranged to insure long life of the valve, to prolong the period of repairing or rewashering the valves, and to prevent waste of water by leakage. TRIPLET BUCKET LADDER DREDGE.— M. S. Godit, West Wareham, Mass. This invention pertains to a dredge of the endless bucket type, in which a plurality of individual bucket ladders are provided. An object is to provide a dredge with a plurality of ladders having endless bucket systems thereon, one of which operates in advance of the others in such manner that a more efficient operation of the device is obtained. NUTCRACKING MACHINE.— B. W. Elder, San Antonio, Texas. The invention refers more particularly to a machine which comprises a pair of movable members for actuating the same, and a cutter, the, members having means for holding between them a nut, and serving to carry the same into engagement with and past the cutter to effect severing of the shell from the nut. Mr. Elder has invented another nut-cracking machine for cracking shells of different kinds of nuts, and it refers more particularly to a machine which comprises a pair of relatively movable cutter heads each having a cutter, and means for limiting the penetration of the cutters to prevent injury to the kernels of the nuts. SOUND REPRODUCER AND RECORDER. — W. A. Chapman, Smithville, Ark. The invention is particularly useful in connection with talking machines employing disk or other types of records upon which the sound waves are recorded in the form of grooves, and in which diaphragms are used to reproduce the sounds from the grooves, or to form the grooves upon blank records. STRAIGHTENING MACHINE.— J. S. BaCh-man and C. E. McLin, Rome, Ga. The object of this invention is the provision of a machine for straightening previously used bale ties and for removing lint, jute or other extraneous matter from the straightened tie and which extraneous matter may adhere to the tie from previous use. APPARATUS FOR BENDING PRINTERS' RULE' S.— J. A. Richards, Albion, Mich. This invention is an improvement in hand-operated apparatus employed for bending printers' rules and other thin metal bars used for various other purposes, and it is particularly an improvement upon the apparatus forming the subject of Patent No. 707,744. When this machine is made of large size it may be successfully used for bending much thicker bars or rods used for various other purposes. AUTOMATIC CLOTH MEASURING AND PRICE CALCULATING MACHINE.— R. H. Sheppe, Big Stone Gap; H. II. Eaton, Bristol, and C. D. Allen, Meadowview, Va. This device measures the number of yards of cloth sold, and at the same time calculates the total cost of the same. The invention provides a device in which any number of yards of cloth, within reasonable limits, can be automatically registered, and the price thereof simultaneously exposed to view, with means for automatically returning the device to its original position. COMBINED STUMP PULLER AND STUMP PILER.— I. L. Mitchell, Cedar Rapids, Iowa. Stump pullers of a certain type are provided with a rotary drum on which is wound a chain or rope that in practice is extended and attached to stumps co be extracted or removed. The inventor has made improvements in such pullers and has combined therewith an attachment for swinging the stumps laterally out of the way and collecting or piling them in heaps. AERIAL VESSEL.— C. O. Rowland, Chicago, Ill. This improvement relates to aerial vessels, more particularly to that type known as “ heavier-than-air” machines, and provides a vessel adapted to navigate in the air, various air currents in the atmosphere being employed to control and propel the vessel in addition to driving means provided on the vessel to more easily direct the same. ADJUSTABLE SHOCK ABSORBING FOOT. — W. Metzroth, Middletown, Conn. This shock-absorbing foot is for use on typewriters, cash registers, or articles of furniture where it is desired to prevent the surface on which the article rests from being marred, and where it is further desired to take up the shock incident to the operating or moving of the article and deaden the sound thereon. AERIAL NAVIGATION.— M. B. Sellers, Baltimore, Md. The apparatus in this invention has four aeroplanes arranged in stepped form with the highest in front and each of the aeroplanes comprising two so-called wings alongside of each other with the wings of each aeroplane joined together by couplings at their meeting edges. The wings , are supported and braced by struts; the frame is supported from the chassis, the latter comprising a combination of sled and wheels so arranged that when the aeroplane is acquiring initial velocity it will run on the wheels and in alighting the wheels rise out of the way, allowing the machine to come to rest on the runners. WASHER FOR PEBBLE PHOSPHATE AND THE LIKE.— Thomas Roberts, Charlotte Harbor, Fla. This washer separates pebble phosphate from sand, roots, etc., with ' which it is mixed, as generally obtained from the deposit at the bottom of water. It automatically removes and discharges roots and rids pebbles of sand, which it does by first cutting up the roots in order to facilitate their WASHER FOR PEBBLE PHOSPHATE. expulsion over a grating. This grating admits of the passage of sand and pebbles through it to conveyers operating in a screened pocket adjacent to the screen on which they discharge. The screen in turn discharges on a second screen leading to the receiver for the pebbles, which is usually a barge. The washer is designed to be located on the upper deck of a dredge, and is shown herewith in a plan view. SPINDLE LOCK.— M. Omalia, Scranton, Pa. The more particular purpose here is to provide a lock for preventing the removal of a spindle, such, for instance, as is commonly employed in factory work, from its mounting, yet allowing the spindle all the freedom of motion which it now has, and also permitting the removal of the spindle when the operator sees proper to release the lock. SELF BALANCED THREAD BOARD.— Charles E. Williams, Greenville, R. I. The accompanying engraving shows a view of self-balanced thread boards in position on their rails. The invention relates to ring spinning frames, and the object is to provide a board arranged to permit raising or lowering it conveniently by the doffer taking hold of the board at any point in the length thereof, and swinging the board up or down, the board in any one of its positions being securely locked in place. For this result, use is made of a counterbalancing lever, a link connecting the lever with the board, and a locking device for holding the said lever locked in whatever position it is moved to, on the operator swinging the board into a desired position. Prime JMovers aid Their Accessories. ENGINE VALVE MECHANISM.— Oscar Tri; ikr, 3860 Tenth Avenue, Borough of Manhattan, New York, N. Y. The object of this invention is to provide a valve mechanism more especially designed for use in internal combustion engines, and arranged to insure proper opening and closing of the admission and exhaust valves, and to prevent leakage of the motive agent at the valves. For the purpose mentioned, use is made of a hollow valve for the passage of the motive agent (either live or exhaust), and the valve is adapted to engage a yieldingly mounted cap for closing or opening the hollow valve. In the accompanying engraving a clear presentation is given of the invention in a sectional side elevation of the valve mechanism as applied to internal combustion engines. RADIATOR CAP.— C. P. Abs, Hoboken, N. J. This invention pertains to radiators, for cooling internal combustion engines. An object is to provide a cap which will condense and return to the radiator any water which may be vaporized by the heat in the radiator, and one which will return to the radiator any water which may be thrown through the vent into the cap. POWER DEVICE.— T. A. Macdonald, Clifton, N. J. An object of this inventor is to provide a device in which a maximum power is generated from a minimum expenditure of energy. A further object is to provide a wheel or a plurality of wheels, each consisting of a number of blades of particular shape, whereby the motive fluid which is designed to drive the blades is utilized to the fullest extent. Railways and X heir Accessories. GUIDE BRACKET OR RAIL FOR EDGEWISE MOVABLE DOORS.— J. M. Gray, Atlanta, Ga. It is sought in this invention to provide a construction whereby in case the door should become bound in position by the load within the freight car, or otherwise, it can be readily freed and opened; and to provide a construction which will be operative no matter in what position the car may be placed, in a wreck or otherwise, as it will operate with the car upside down. Pertaining to Recreation. MECHANICAL TOBOGGAN SLIDF.— W. F. Mangels, New York, N. Y. This invention refers to amusement apparatus, such as are used in pleasure resorts, parks, exhibition grounds, and other places, and its object is to provide a new and improved mechanical toboggan slide arranged to afford an exhilarating ride, and to provide means for racing, a number of toboggans or sleds starting simultaneously. TOY.— C. G. Pickett, North Berwick, Maine. This invention relates to toys, and more particularly to a toy consisting of a rotary member and a reservoir located over it, the reservoir being adapted to receive sand or other granular substances which, upon being released, operate the rotating member for the amusement of children. Pertaining' to Veliicles. WHIF FLE TREE HOOK AND TRACE FASTENER.— Alley Roop. P. O. Box 601, Raymond, Wash. A trace fastener designed to replace the ordinary whiffiVtree hook is shown in the accompanying illustration. The attachment includes a ferrule which is secured on an end of the whifflotroo, the outer end of the ferrule having a member adapted to be passed through the eye of the trace, the base of the member being narrow and its outer end widened; the widened outer end has projecting side members that receive between them a detachable button, and between the side arms of the ferrule member there is formed also a recess which receives a stud on the inner side of the button. A removable fastening pin is passed through the stud of the button and the ferrule attachment to hold the trace in position. BOTTOM DU MPING WAGON.— M. L. Senderling, Jersey City, N. J. A purpose here is to provide a vehicle for carrying materials in bulk, and which is adapted to dump from beneath and to provide a dumping scow bottom, since the bottom, which is in two hinged sections opening sidewise in opposite directions, not only constitutes a bottom for the body, but also has a carrying capacity of its own. TIRE CONSTRUCTION.— C. N. Harrison, Westfield, N. J. The more particular purpose of the inventor is to increase the life of the tire by giving the tire tread a desirable shape for the purpose of lessening the continual bending which the tread must ordinarily undergo. The invention further relates to clamping mechanism for holding edges of the tire far apart to give the intervening portion of the tire tread a substantially bow-shaped section. 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