Velocipedes. Plans, working drawings, scale 3 in. to the foot, with specifications and details, enabling any one to construct one. Price 50 cents. Sent by mail to any address. G. F. Perkins, Holyoke, Mass. A first-class engineering and machine firm, desirous of being represented in New York, can be treated with for the exhibition and sale of their manufactures,in a first-class locality,under unusuallyadvantageous, circumstances, by addressing B, Box 6, Postoflice, New York. Mill-stone dressing diamond machine, simple, effective, and durable. Also, Glazier's diamonds. See advertisement. Wanted A first-class mechanical draftsman, or a young man a good draftsman, of limited mechanical knowledge, who has talent worth improving, and who can be educated into our uses. W. T. Hildrup Harrisburg, Pa. Gas Lighting! " Office Manhattan Gas Light Co., New York, March 10. This Company have purchased from Mr. J. W. Bartlett, of No . 569 Broadway, the right to use, in our district, his Patent Improved Torch and Key, for lighting and extinguishing street lamps." Charles Eoome, President. A Blacksmith, of steady habits, experienced in general forging and tool dressing, desiring a working situation, address Athens Foundery and Machine Works, Athens, Ga. EngineLathe Wanted From 12 to 30-inch swing, by H. Lombard, San Francisco, Cal. Manufacturers of Engine Lathes please send circulars to the above address. Wanted Parties to manufacture brass or German silver cord attachments. Patent just allowed. Address E. d'Heureuse, Box 6S44,N.Y. Green lumber dried in two days. Also, tobacco, meal, and every substance,cheaply. Circulars free. H. G. Bulkley, 135 Fulton st., New York. Envelope Machinery, of all kinds, wanted, new or second-hand. Address Box 3,341, New York, stating particulars and lowest terms. Wanted A machine capable of splitting 15 to 20 cords per day of hard, knotty wood, 2 feet long. Address Proprietor Harford Furnace, Md. Cotton Mill wants competent machinist, well recommended. Could employ family. Box 2,638 New York. Manufacturers of agricultural implements shingle machines , send circulars and price lists to Jones Jones, Terre Haute, Ind. Keuffel Esser's, 71 Nassau si, New York, the best place to get flrst-class drawing materials. Agency Wanted by a responsible party, who has good store room. Best reference. C. E. Eoberts, 138 Lincoln st., Boston, Mass. Saw Gummers, improved upsets, and other saw tools, manufactured by G. A. Prescott, Sandy Hill, N. Y. Send for a circular. Mechanical Draftsman Wanted A thoroughly competent man, on iron-bridge work. Bring specimens and testimonials. Salary $3 to $4 per day. J. H. Linville, 426 Walnut st., Philadelphia, Pa. Gear-cutting Engine for sale. A new machine with large index table. Also, worm arrangement with full set change gear, accurately adjusted. Address Wm. M. Hawes Co., Fall Eiver, Mass. Wanted Parties to manufacture the spring-jaw wrench illustrated in this paper Nov. 18,1868. Address Bradshaw Lyon, Delphi, Ind. One hundred-horse power Corliss steam engine for sale in good order. Address W. B. Le Van, Machinist, 24th and Wood sts., Philadelphia. Peek's patent drop press. Milo Peck Co., New Haven, Ct. Etching on saw blades A cheap and rapid process wanted, to take the place of stamping name,etc. Must be small and neat throughout, and duplicate of each other. Woodrough McParlin, Cincinnati, Ohio. Inventors' and Manufacturers' Gazette a journal of new inventions and manufactures. Profusely illustrated. March No. out. $1 per year. Sample copies sent. Address Saltiel Co,, Postoflice box 448, or 37ParkEow, New York City. The manufacture of sheet and cast metal small wares is made a specialty by J. H. White, Newark, N. J. The Magic Comb will (*)lor gray hair a permanent black or brown. Sent by mail for $1-25. Address Wm. Patton, Treasurer Magip Comb Co., Springfield, Mass. For coppered iron castings address J. H. White, Newark, N. J. For portable grist mills and mill machinery, address J. T* Phillips, No. 13 Adams St., Brooklyn, N. Y. For sale at a bargain a complete barrel factory, nearly new. Address Hartmann, Laist Co., Cincinnati, Ohio. Pickering's Velocipede, 144 Greene st., New York. W. J. T. We think the patent asbestos roofing manufactured by H. W. Johns, of this city, is the best substitute for tin or slate. It is cheap and easily applied. Tempered steel spiral springs. John Chatillon, 91 and 93 Cliff st., New York. For solid wrought-iron beams, etc., see advertisement. Address Union Iron Mills, Pittsburgh, Pa., for lithograph, etc. Punching and shearing machines. Doty Manufacturing Co., Janesville, Wis. Iron. W. D. McGowan,iron broker,73 Water st., Pittsburgh,Pa. N. C. Stiles' pat. punching and drop presses, Middletown, Ct. Machinists, boiler makers, tinners, and workers of sheet metals read advertisement of Parker Brothers' Power Presses. Diamond-pointed or edged tools for mining, working stone, or other hard substances. See advertisement, page 207. Winans' boiler powder, N. Y., removes and prevents incrustations without injury or foaming; 12 years in use. Beware of imitations. The paper that meets the eye of all the leading manufacturers throughout the United States The Boston Bulletin. $4 a year