SCIENTIFIC AND PRACTICAL INFORMATION. RECENT PATENT DECISIONS Locking Nuts. Ladies' Hoopskirts. United States Circuit CourtSouthern District of New York. Machines for Pegging Shoes. United States Circuit Court—District ofMassachusetts. Tbe Hop Preserving Patent Case. NEW BOOBS AND PUBLICATIONS. Inventions Patented in Eitgland by Americans. taloa., scientific american, 1873-01-11
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