A special notice IS made in the SCIENTIFIC AMERICAN of all inventions patented through this agency, with the name and residence of the patentee. Patents are often sold, in part or whole, to persons attracted to the invention by such notice. Patents obtained in Canada, England, France, Belgium, Germany, Russia, Prussia, Spain, Portugal, the British Colonies, and all other countries where patents are granted, at prices greatly reduced from former rates. Send for pamphlet pertaining specially to foreign patents, which states the cost, time granted, and the requirements for each country. COPIES OF PATENTS. Persons desiring any patent issued from 1836 to November 26, 1867, can be supplied with official copies at reasonable cost, the price depending upon the extent of drawings and length of specifications. Any patent issued since November 27, 1867, at which time the Patent Office commenced printing the drawings and specifications, may be had by remitting to this office $1. A copy of the claims of any patent issued since 1638 will be furnished for $1. When ordering copies, please remit for the same as as above, and state name of patentee, title of invention, and date of patent. A pamphlet, containing full directions for obtaining United States patents, sent free. A handsomely bound Reference Book, gilt edges, contains 140 pages and many engravings and tables important to every patentee and mechanic, and is a useful handbook of reference for everybody. Price 25 cents, mailed free. Address MUNN & CO., Publishers SCIENTIFIC AMERICAN 37 PARK ROW, N.Y. BRANCH OFFICE--Corner of F and 7th Streets, Washington, D.C. * * * * * EMERSON'S PATENT DAMASCUS TEMPERED SAWS Patent Planer, Clipper, Lumberman's Clipper, from clipper cross-cut, Universal Adjustable Saw Swage, Band Saws for Saw Mills and re-sawing, and solid saws of all kinds. Are superior to all others, Extra Thin Saws a specialty. Send your full address, plainly written, for Price List and Circular to Emerson, Smith & Co., Beaver Falls, Pa., Successors to Emerson, Ford & Co. * * * * * ROOTS' PATENT PORTABLE FORGE. [Illustration: ADAPTED TO EVERY VARIETY OF WORK. ] THE ONLY FORGE WITH FORCE BLAST BLOWER. THE ONLY EFFECTIVE FORGE MADE. P.H. & F.M. ROOTS, Manuf's, CONNERSVILLE, IND. S.S. TOWNSEND, Gen'l Ag't, 31 Liberty St., NEW YORK * * * * * First Premium ahead of All at Centennial, Hand and Self-Inking. [Illustration: Do Your Own PRINTING The Excelsior Presses ] Save money! Do more advertising. $3 Press for cards, labels, envelopes, etc. Large sizes for large work. _Anybody_ can work them, have good pastime for spare hours, and can make money by taking in small Jobs. BOYS have much fun and make money very fast at printing cards, etc., Send two stamps for catalogue, to Mfrs, KELSEY & CO. MERIDEN, CONN. * * * * *