Our new Stylographic Pen (just patented), having the duplex interchangeable point section, is the very latest improvement. The Stylographic Pen Co., Room 13, 169 Broadway, N. Y. Shaw's U. S. Standard of Pressure. Mercury Gauges, all pressures, Steam, Hydraulic, and Vacuum. Best for pumping stations and pipe lines. 915 Ridge Ave., Philadelphia, Pa. For Sale low--52 x 17 feet Sidewheel Boat, and one 23 x 5½ feet Launch; best condition. S. E. Harthan, Worcester, Mass. Wanted.--Farm Engine, with Steam Plow Attachment. Address P. O. Box 18, Reinbeck, Iowa. Advertising of all kinds in all American Newspapers. Special lists free. Address E. N. Freshman & Bros., Cincinnati, O. Patent for Sale Cheap.--Entire Patent or State Rights. Just the thing for the summer. Money can be made out of it. Other business prevents owner from handling it. A. H. Watkins, 294 Harrison Ave., Boston, Mass. We keep a full assortment of Esterbrook's, Gillott's, Spencerian, Perry's, and Lamar's Pens. Send for price list to J. Leach, 86 Nassau St., New York. For Sale.--A Baltimore City Fire Department Steam Fire Engine, in complete working order. Address P.O. Box 676, Baltimore, Md. Metallic Piston Rod Packing Company, 773 Broad St., Newark, N. J. Agents wanted; terms liberal. Skinner & Wood, Erie, Pa., Portable and Stationary Engines, are full of orders, and withdraw their illustrated advertisement. Send for their new circulars. Asbestos Board on Chimneys prevents their heat from affecting the temperature of rooms through which they pass. Asbestos Pat. Fiber Co., lim., 194 Broadway, N. Y. Sweetland & Co., 126 Union St., New Haven, Conn., manufacture the Sweetland Combination Chuck. Power, Foot, and Hand Presses for Metal Workers. Lowest prices. Peerless Punch & Shear Co., 52 Dey St., N. Y. The Brown Automatic Cut-off Engine; unexcelled for workmanship, economy, and durability. Write for information. C. H. Brown & Co., Fitchburg, Mass. Corrugated Traction Tire for Portable Engines, etc. Sole manufacturers, H. Lloyd, Son & Co., Pittsburg, Pa. For the best Stave, Barrel, Keg, and Hogshead Machinery, address H. A. Crossley, Cleveland, Ohio. Best Oak Tanned Leather Belting. Wm. F. Forepaugh, Jr., & Bros. 531 Jefferson St., Philadelphia, Pa. National Steel Tube Cleaner for boiler tubes. Adjustable, durable. Chalmers-Spence Co., 40 John St., N. Y. Split Pulleys at low prices, and of same strength and appearance as Whole Pulleys. Yocom & Son's Shafting Works, Drinker St., Philadelphia, Pa. Stave, Barrel, Keg, and Hogshead Machinery a specialty by E. & B. Holmes, Buffalo, N. Y. Solid Emery Vulcanite Wheels--The Solid Original Emery Wheel other kinds imitations and inferior. Caution.--Our name is stamped in full on all our best Standard Belting, Packing, and Hose. Buy that only. The best is the cheapest. New York Belting and Packing Company, 37 and 38 Park Bow. N. Y. For Separators, Farm & Vertical Engines, see adv. p. 382.