ENGINEERING INVENTIONS. MECHANICAL INVENTION. AGRICULTURAL INVENTIONS. MISCELLANEOUS INVENTIONS 3usiness anb Wersonat. NEW BOOKS AND PUBLICATIONS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted September 21 1886 AND EACH BEARING THAT DATE., scientific american, 1886-10-09

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ENGINEERING INVENTIONS. MECHANICAL INVENTION. AGRICULTURAL INVENTIONS. MISCELLANEOUS INVENTIONS 3usiness anb Wersonat. NEW BOOKS AND PUBLICATIONS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted September 21 1886 AND EACH BEARING THAT DATE., scientific american, 1886-10-09

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