COMMUNICATIONS RECEIVED. INDEX OF INVENTIONS Letters Patent of the United States were Granted Di the Week Ending October 22 1878 AND EACH BEARING THAT DATE. English Patents Issued to Americans. 60 GREAT SUCCESS OF JOSEPH C. TODD J. C. TODD Can I Obtain a Patent? WATCHES DESKS OFFICE VOLUME EL.-NEW SERIES. MUNN & CO. 37 Park Row New York. SEND 30 CENTS BY MAIL AND GET N.Y. LE'vAsTcyRS Address MUNN & CO. 37 Park Row New York., scientific american, 1878-12-21
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