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4 lines, for each Ins.rtion, - - 50cts. S " " " - - $1,00 12 " " " - - $1,50 16 " " " - - $2,00 Advertis.ments exceeding 16 lines cannot be admitted ; neith.r can engravings be inserted in the advertising columns at any price. IG'" All advertisements must be paid for b.fore American and Foreign Patent Agency IMPORTANT TO INVENTORS.—The undersigned having for several years been extensively engaged in procuring Letters Patent for new mechanical and chemical af, offer their services to inventors upon the most reasonable terms. All business entrusted to their charge is strictly confidential. Private consultations are held with inventors at their office from 9 A. M., until 4 P. M. In-?entors, however, need not incur the expense of attending in person, as the preliminaries can all be arranged by letter. Models can be sent with safety by express or any other convenient medium. They should not be over 1 foot square in size, if possible. Having Agents located in the chief cities of Europe, our facilities for obtaining Foreign Patents are unequalled. This branch of our business receives the especial attention of one of the members of the firm, who is prepared to advise with inventors and manufacturers at all times, relating to Foreign Patents. Scientific American, Inc., Scientific American Office, 128 Pulton street, New York. THE STOWELL EVERGREEN SWEET CORN A few bushels of this new and valuable variety; from seed raised by Professor J. J. Mapea, L. L, B., for sale. Per bushel, $10; peck, $5; half peck, $3, quart, $1; sent by express to any part of the country, on receipt of the money by mail. This is beyond all doubt the best aod most prolific kind of Sweet Corn ever grown. No farmer should be without it. One of the advantages claimed for this corn by Professor Mapes, is that it may be kept green and fresh all the year round. The subscribers limited experience, however, does not enable him to endorse this. Addressj_post paid, ALFRED E. BEACH, White Plains, Westchester Co , N. Y. [Prof. Mapes, in the “ Working Farmer,“ December, 1851, gives the following directions for preserving the Stowell Evergreen Sweet Corn :— “' The ears should be gathered when fully ripe, and the husk should be tied at the nose (silk end), to prevent drying, when the corn will keep soft, white and plump for more than a year, if in a dry and cool place. At the dinner of the Managers of the fair of the American Institute, last year, we presented them with this corn of two successive years' growth, boiled, and there was no perceptible difference between the two. This year we sent to the fan: a stalk containing eight full and f ai* ears, and we could have sent many hundred stalks of six ears each.“ 20tf A RARE CHANCE FOR MAKING A HAND-SOME FORTUNE.—Any person wishing to take an interest in a very valuable patent right for the New England States, and having one or two thousand dollars capital (one that has already been in-troduced and pays two or three hundred percent.) will please address H. J. B., Post Office, New York City. 1* TO MECHANICS—A RARE CHANCE—FOR sale or to let, a building 60x90, with a 15 horse engine, shafting and pulleys, 5000 feet yard room, near the depot of the Kennebec and Boston R. R., in Brunswick, Me.. 6 hours from Boston ; ia one of the best locations in the States for building freight cars or making furniture, or any other manufacture of lumber, being in the heart of a ship- building and lumber country ; will be sold a bargain, the owner not being in circumstances to manage it. Also, the right to Woodbury's planing machinefor Brunswick and Bath. Apply by letter, post-paid, or in person, to 18 2eow* NARCESSA STONE. THE UNDERSIGNED manufacture Patent Cast-iron Screw Pipes, of 3-4, 1,11-4,1 1-2,1 3-4, 2, 2 1-2, and 3 inches in diameter—now in extensive use for gas, steam, and water, being cheaper and more durable than copper, lead, or wrought-iron pipes, and available for the same purposes. This pipe has been largely used in conducting water to railroad stations, also in tanneries, distilleries, pork and sugar houses, in conducting water or steam, and as suction pipe for pumps, for which, where long lines are required, it is peculiarly fitted, from its durability, cheapness, and the excellence of the acrew-joints. We also make Solid Hub Railroad Car Wheels, by Murphy's process, using the utmost care in selecting metal for the purpose, with referen-ce to strength and chilling properties, Also small steam engines, mill machinery, cotton presses, tobacco-screws and presses, lard, timber, and mill screws; force and lift pumps of various sizes and kinds, for hand use or power. Cast-iron railing, Roys & French's Patent Hub Mortising Machine, which will lay off, bore, and mortise a hub of ordinary size in 15 minutes, turning it out completely finished, the mortises having any required disc. TEVIS & BARBAROUX, corner of Washington and Floyd streets, 20 5* Louisville, Ky. BRIDGEWATER PAINT MANUFACTURING COMPANY DEPOT, 125 Pearl and 78 Beaver streets, New York, have on hand a large supply of this paint, and are prepared to receive orders for dry packages of 200 lbs, and upwards, and in oil of assorted colors in kegs of 25, 50, and 100 lbs. For wood, iron, stone, and brick work, it has no equal. Painters are using it with great fluccess on brick buildings (the natural color resembling brown stone), on tin, canvas, or shingle roofe, villas, barns, fences, depot buildings, railroad cars, bridges, &c; also for decks and bottoms of vessels. The black has been found superior to any other, for hulls of vessels, being more durable, possessing a greater body and cheaper. From its spark and cinder-proof qualities, it is well adapted to all kinds of wood-work, where there is danger from fire. Testimonials of its virtues, and specimens on wood, tin, canvas, &c, may be seen at the depot. Letters must be addressed to 20 4* R. BOGERT, General Agent. E HARRISON's UNEQUALLED FLOUR AND GRAIN MILLS—Their frames and hopper are cast-iron, and the stones French Burr, 30 inches in diameter; grinds of wheat and corn 20 bushels an hour, weighs 1400 lbs.; cash price $200. These mills, constructed upon a new principle, have become widely known, and are producing a revolution in milling. Cash orders promptly supplied, and the mills warranted to work in the best manner. The patentee offers $500 reward for any mill which will do an equal amount of work with the same power and dressing. Made and for sale at the corner of Court and Union streets, New Haven, Conn , by 20 12* EDWARD HARRISON. BACK VOLUMES OF THE SCIENTIFIC AMERICAN for sale—Vols. 2,6, 6, and 7, complete, price $2.50 per volume.; Vol.3, less 10 or 12 numbers, and Vol. 4, less 4 or 5 numbers ; price $1,50 each; all bound and in good order. Address, postpaid. F. S. BURRELL, Albany, N. Y. 19 4* 1852 T0 1856. W00DW0RTH's PA- tent Planing, Tongueing, Grooving, Ra-beting, and Moulding Machines.—Ninety-nine hun-dredtha of all the planed lumber used in ovx. large cities and towns continues to be dressed with Wood-worth'sPatent Machines. Price from $150 to $760. S*or rights in the unoccupied towns and counties of New York and Northern Pennsylvania, apply to JOHN GIBSON, Planing Mills, Albany, N. Y. lamtf SURFACE CONDENSERS—Having built and used at our machine shop and foundry one of J. M-Miller's Surface Condensers for the last 14 months, we are now prepared to receive orders for building and putting up said condensers on either high or low pressure engines now in use, and warrant the same against expansion and contraction of the metals, also the injurious effects of oil in the tubes, which alone has caused the failure of condensers heretofore used. We have also found, in the use of our Condenser a nett saving of 30 per cent, of fuel, the water being kept pure and regular in the boiler by the condensation of the steam. In our judgment this Condenser is the perfecting of the Steam Engine, COBB, MASON & HILL, North Point Foundry and Machine Works, 18 4 Jersey City, N, J. W.P. N. FITZGERALD, Counsellor at Law' has recently resigned the office of principal Examiner of Patents, which he has held for many years, and is ready to assist, professionally, in the preparation and trial of patent causes btfore the U. S. Courts in any of the States, and before the Supreme Court of the United States. He also acts as Counsel in cases before the Patent Offices and on appeals therefrom, but does not prepare applications for Patents Office corner of E and 8th sts., Washington, D. C. 18 tf PATENT DRAFT BOARDS—With extension scales, sheet fasteners, and T rule. See Reports of Worcester Fair, Maryland State Fair, &c. &c, with their awards. $10 complete. Sent by express. Address, post-paid, CHAMBERLIN& CO., Pittsfleld, Mass. 16tf C.B. HUTCHINSON's PATENT STAVE Cut- ting Machines, the best in use, and applicable alike to thick or thin staves; also his Head Cuttiag and Turning, and Stave Jointing Machines. For machines or territorial rights, apply to C B. HUTCHINSON & CO., Syracuse, N. Y. Sttf STEAM ENGINES FOR SALE—We offer for sale two Engines and Boilers, as follows : one 8 horse, horizontal, cylinder 7 inches bore, 16 inch stroke, on a cast-iron bed, fly wheel, driving pulley, governor, pump, pipes, etc.; has never been used. The Boiler has been used by the maker about one year. It is cylinder, horizontal, 16 feet long, 30 inch diameter, has a steam chamber, try-cocks, check and safety valves : price, $600. One 7 horse Horizontal Engine, 6 inch bore, 16 inch stroke, cast-iron bed-plate, driving pulley, etc. Boiler horizontal, tubular, and has everything complete for putting it in operation. The engine is new, the boiler has been used, but is in good order. Price $500. They are rare bargains, and will give satisfaction to the purchaser, being much less than new ones can be obtained. Address Scientific American, Inc. THE TROY IRON BRIDGE CO. are prepared to e,rect Iron Bridges or Roofs, or any kind of bearing trusses, girders, or beams, to span one thousand feet or under, of any required strength, in any part of the country. Their bridges will be subjected to severe tests, and can be built for about the price of good wooden onea. Addres* BLANCHARD & FELLOWS, Troy, N. T. 7 20* BEARDSLEE's PATENT PLANING Tongueing and Grooving Machines—These celebialed machines have now been generally introduced in various portions of the United States. More than thirty are now in successful practical operation in the State of New York alone. 'Aa an illustration of the extent of work which they are capable of performing, with unrivalled perfection, it is sufficient to state that, within the last six months aiid a half, ovexfive millions of feet of spruce flooring have been planed, tongued and grooved by one of these machines at Plattsburgh, N. Y.. never running to exceed ten hours a day. The claim that the Beards-lee machine was an infringement upon the Wocd-worth patent, has been finally abandoned; a d after the proofs had been taken, the suit instituted by the owners of that patent was discontinued, and the whole controversy terminated on the first of November last. Applications for machines or rights may be made to the subscriber, GEO. W. BEAKDSLEE, 57 State street, or No. 764 Broadway, Albany. 15tf EXHIBITION OF WORKS OF AMERICAN Industry at Washington City.—The first exhibition of the Metropolitaa Mechanics' Institute will be opened on Thursday, the 24th of February, 1853, in the new and splendid hall of the east wing of the Patent Office, one of the largest and most magnificent rooms in the United States, beirg 275 feet long by 70 feet wide. To this exhibition the manufacturers, mechanics, artists, and inventors, from all portions of the Union, are cordially invited to contribute. The hall will be opened for the reception of goods on Monday, tha 14th of February, and the exhibition will positively close on or before Thursday night, March 17. Circulars, containing detaile d instructions, will be forwarded, and any further information given, on application (post-paid) to the Corresponding Secretary, CharlesF. Stansbury,to whom all communications on the business of the Institute should be addressed. 8tf WOODBURY's PATENT PLANING Machine —I have recently improved the manufacture of my Patent Planing Machines, making them strong and easy to operate, and am now ready to sell my 24 inch Surfacing Machines for $700, and 14 inch Surfacing Machines for $650 each. I will warrant, by a special contract, that ONE of my aforesaid machines will plane as many boards or plank as two of the Woodworth machines in the same time, and do it better and with less power. I also manufacture a superior Tonguing and Grooving Machine for $350, which can be either attached to the Planing Machine, or worked separately. JOSEPH P. “WOOD-BURY, Patentee, Border st, EastBoston, Mass. 13tf MACHINERY.—S. C. HILLS, No- 12 Platt-st. N. Y. dealer in Steam Engines, Boilers, Iron Planers, Lathes,- Universal Chucks, Drills; Kase's, Von Schmidt's and other Pumps; Johnson's Shingle Machines; Woodworth's, Daniel's and Law's Planing machines; Dick's Presses, Punches and Shears; Morticing and Tennoning machines; Belting; machinery oil, Seal's patent Cob and Corn mills; Burr mill and Grindstones; Lead and Iron Pipe &o. Letters to be noticed must be nost-paid. 13tf AB. ELY, Counsellor at Law* 62 Washington st, Boston, will give particular attention to Patent Case's. Refers to Scientific American, Inc., Scientific American. 16tf LEONARD's MACHINERY DEPOT, 109 Pearl-st. and 60 Beaver, N. Y.—Leather Banding Manufactory, N. Y.—Machinista's Tools, a large assortment from the “LowellMachine Shop,“ and other celebrated makers. Also a general supply of mechanics' and manufacturers' articles, and a superior quality of oak-tanned Leather Belting. 7tf P. A. LEONARD. PAINTS, Ac. Ac—American Atomic Drier Graining Colors, Anti-friction Paste, Gold Size, Zinc Drier, and Stove Polish. QUARTERMAN & SON, 114 John st., ltf Painters and Chemists. LATHES FOR BROOM HANDLES, Etc.—We continue to sell Alcott's Concentric Lathe, which is adapted to turning Windsor Chair Legs, Pillars, Rods and Rounds; Hoe Handles, Fork Handles and Broom Handles. This Lathe is capable of turning under two inches diameter, with only the trouble of changing the dies and pattern to the size required. It will turn smooth over swells or depressions of 3-4 to the inch and work as smoothly as on a straight line—and does excellent work. Sold without frames for the low price of $25—boxed and shipped with directions for setting up. Address (postpaid) MUIsN & CO. AtthifiOffioe. FALES GRAY (Successors to TRACV & FALES), RAILROAD CAR MANUFACTURE RS—Grove Works, Hartford, Connecticut. Passenger, freight, and all other descriptions ofrailroad cars and locomotive tenders made to order promptly. SHINGLES, SHINGLES, SHINGLES—WOOD's latest improvement in Shingle Machines is becoming more generally used than any other ever invented, and is unquestionably the best machine now in use; it produces shingles from all kinds of timber in a very perfect and rapid manner. Machines and rights for sale. Apply to JAMES D. JOHNSON, Bridgeport, Ct. 9tf J.D. WHITE's PATENT CAR AXLE LATHES —also Patent Engine Screw Lathes, for boring andturnicg tapers, cutting screws, &c. We manufacture and keep constantly on hand the above lathes ; also double slide Chuck and common Hand Lathes, Iron Planers, S. Ingeraol's Patent Universal Ratchet Drill, &c. Weight of Axle Lathe, 5,500 lbs ; price $600; Engine Serew Lathe, 1400 to 7,000 lbs; price $225 to $675, BROWN & WHITE, 15tf Windsor Locks, Conn. NEW HAVEN MANUFACTURING COM-pany, Tool Builders New Haven, Conn., (successors to Scranton & Parshley) have now on hand $25,000 worth of Machinist's Tools, consisting of power planers, to plane from 5 to 12 feet; slide lathes from6 to 18 feet long; 3 size hand lathes, with or without shears; countershafts, to fit all sizes and kinds of universal ehuck gear eutting engines ; drill presses, index plates, bolt cutters, and 3 size slide rests. The Co are also manufacturing steam engines: All of the above tools are of the best quality, and are for sale at 25 per cent, less than any other tools in the market. Cuts and list of prices can be had by addressing as above, post-paid. Warehouse No. 12 Platt st,, New York, B. 0. HILLS, Agent N. H. Man'g Co. 19tf