MESSRS. MUNN & CO.. in connection with the publication of the fcciKNTiPic American, continue to examine Improvements, and to act as Solicitors of Patents for Inventors. In this line of business they have had thirty-tight years' experience, and now have vneqmled facilities for the preparation of Patent Drawings, Specifications, and the prosecution of Applications for Patents in the United States, Canada, and Foreign Countries. Messrs. Muun & Co. also attend to tlie preparation of Caveats, Copyrights for Books. Labels, Reissues, Assignments, and Reports on Infringements of Patents. All business intrusted to them is done with special care and promptness, on very reasonable terms. A pamphlet sent free of charge, on application, con-tainingfull information about Patents and how to procure them; directions concerning Labels, Copyrights, Designs, Patents, Appeals. Reissues, Infringements, Assignments, Rejected Cases, Hints on thi Sa'ie of Patents, etc. W e also send, free of charge, a Synopsis of Foreign Patent Laws, showing the cost and method of securing patents in all the principal countries of the world. MIINN . CO., Solicitors of Patents, 261 Broadway, New York. BRANCH OFFICE - Coiner of F and 1th Streets, Washington, D. C.