Mill-Stone dressing diamond machine, simple, effective, durable. Also, Glazier's diamonds. John Dleklnson, 64 Nassau St., New York. Send for Agents' Circular—Hlnkley Knitting Machine Co., 176 Broadway. Manufacturers of Wood-working Machinery address, with circulars, W. T. Crenshaw, Brenham, Washington county, Texas. A Machinery Salesman, of large experience, is open to an engagement. First-class references given. Address Henry H. Robinson, Brooklyn, N. Y. For thebest double-acting TurbineWheel in the world,described In the Scientific American, Jan. 18,1868, address Harvey Brown,Urbana, O. For Sale—60-H. P. Engine and two large Tubular Boilers,first rate order. WiU be sold cheap. N. D. Preston,.Fulton, Oswego Co., N. Y. Peck's patent drop press. For circulars, address the sole manufacturers, Milo Peck Co., New Haven, Ct. Send for circularf or Murray's Carriage-seat Clamp,Chester,N. Y. Engineers and all others desiring a reliable timekeeper should write to Howard Co.,619 Broadway, New York,for the Descriptive Price List of Waltham Watches. Spoke Lathes, and the amount of power required to run them. Manufacturers will please address E. A. Anderson, Danville, Texas. The Novelty Job Printing Presses, for printers, merchants, and amate'irs. C. C. Thurston, Agent, Brooklyn, N. Y. Manganese Ores suitable for glass, steel, oil boilers, at low prices. Muriatic Acid, lull strength, price IK cents per lb. Soda Ash. Bleaching Powder, fresh made, full test, at market prices. Michigan Chemical Company, Jackson, Mich. Shafting, Hangers, and Pulleys, Craig's Oscillating Steam Engines, on hand and to order. Gallatin Brevoort Machine Works, 328 Front St., New York. Every wheelright and blacksmith should have one of Dins-more's tire shrlnkers. Price 40. R. H. Allen Co., P.O.Box 376, NewYork. Glynn's Anti-Incrustator for Steam Boiler—The only reliable preventative. No foamlng.and does not attack metals of boiler. Liberal terms to Agents. C. D. Fredricks, 587 Broadway, New York. Chemicals, Drugs, Minerals, Metals, Acids,etc., for all Mechanics and Manufacturers, for sale by L. J. W. Feuchtwanger, Chemists, and Importers of Drugs and Minerals, 55 Cedar St., New York. Cold Rolled—Shafting,pistonrods,pumprods,Collinspat.double compression coupUngs.manuf acturedby Jones Laughllns,Plttsburgh,Pa. For solid wrought-iron beams, etc., see advertisement. Address union Iron Mills, Pittsburgh, Pa., for lithograph, etc. Machinists, boiler makers, tinners, and workers ol sheet metals read advertisement of the Parker Power Presses. Diamond carbon, formed into wedge or other shapes for pointing and edging tools or euttera for drilling and working stone, etc. Send stamp for circular. John Dickinson, 64 Nassau St., New York.