. Scientific American Volume 77 Number 02 (July 1897) . 80 YEARS* IWARKS,DESIONSvCOPYRIGHTS fto. Anyone sending a sketch and description mayquickly ascertain, free, whether an invention iaprobably patentable. Communications strictlyconfidential. Oldest agency for securing patentsin America. We have a Washington office. Patents taken through Munn & Co receivespecial notice in the SGIENTIFIC AMERICAN, beantlfully Illustrated, lantest circulation ofany scientific loumal, weekly a year;( six months. Specimen copies and UANOBoas ON Patents sent free Address MUNN & CO.,361
. Scientific American Volume 77 Number 02 (July 1897) . 80 YEARS* IWARKS,DESIONSvCOPYRIGHTS fto. Anyone sending a sketch and description mayquickly ascertain, free, whether an invention iaprobably patentable. Communications strictlyconfidential. Oldest agency for securing patentsin America. We have a Washington office. Patents taken through Munn & Co receivespecial notice in the SGIENTIFIC AMERICAN, beantlfully Illustrated, lantest circulation ofany scientific loumal, weekly a year;( six months. Specimen copies and UANOBoas ON Patents sent free Address MUNN & CO.,361 Broadway. New York. AMPUPHONE Speaking Trumpet For country, shore, and mountains. By its use ordinary speech can be distinctly heard for long distances. iW Send for Circular, HAWTHORNE & SHEBLE, 604-606 Chestnut Street, Philadelphia. Pa.
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