English Patents Issued to Americans. Bach Page each insertion- a line. NEWSPAPER FILE MUNN & CO. 607 Market St. Philadelphia Pa. PERFECTED STYLOGRAPHIC PEN INDEX OF INVENTIONS Letters Patent of the United States were Granted in the Week Ending August 17 1880 AND EACH BEARING THAT DATE. To find out what THE ( AL JoURIAL is postal t FOWLER dz WELLS 733 Broadway New York., scientific american, 1880-09-18


English Patents Issued to Americans. Bach Page each insertion- a line. NEWSPAPER FILE MUNN & CO. 607 Market St. Philadelphia Pa. PERFECTED STYLOGRAPHIC PEN INDEX OF INVENTIONS Letters Patent of the United States were Granted in the Week Ending August 17 1880 AND EACH BEARING THAT DATE. To find out what THE ( AL JoURIAL is postal t FOWLER dz WELLS 733 Broadway New York., scientific american, 1880-09-18


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