MESSES. MUNN & CO.. in connection with the publication of the bf.iUKTiFic AMKRICAN, continue to examine ImproYementa, and to act as Solicitors of-Patents for Inventors. In this line of business they have had thirty-eigM years experience, mnd now have nnegualed faculties for the prparation of Patent Drawinss, Specifications, and the prosecution of Applications for Patents in tbe United States, Canada, and Foreign Countries. Messrs. Munn & Co. also attend to the preparation of Caveats, Copyrights for Booiia. Labels, Eeissnes, Assignments, and Eeports on Infringements of Patents. All business intrusted to them is done with special care and prompt- ; ness, on very reasonable terms. A pamphlet sent free of charge, on application, con-taining.fnll information about Patents and how to pro cure them; directions concerning Labels, Copyrights,-Designs, Patents, Appeals.EeTssnes, Infringements, Assignments, Eejected Cases, Hints on the Sale of Patents, etc. We 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. MUNN & CO.j Solicitors of Patents, j 261 Broadway, New York. BRANCH OFFICE -Comer of F and 7th Streets, i Washington, D. C,