MESSRS MUNN & Co. Solicitors of Patents, have had nearly fifty years'continuous experience. Anj one may quickly ascertain, free, whether an inTention probably is paten table by writing to Munn & Co. Communications strictly conflden-tiai. A handbook of latents and how to obtain them sent free taken through Munn & Co. receive special notice in the ScientiHc American. This splendid weekly paper, elegantly illustrated, has the largest Circulation of any scientific wori, 3 a year. Specimen copies free. Address MUNN & CO., New York, 361 Broadway
This article was originally published with the title "Patents" in SA Supplements 37, 959supp, 319 (May 1894)
doi:10.1038/scientificamerican05191894-15334bsupp