ENGINEERING INVENTION. AGRICULTURAL INVENTIONS. MISCELLANEOUS INVENTIONS. a3usinees anb tWersanat. TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted November 30 1886 AND EACH BEARING THAT DATE., scientific american, 1886-12-18


ENGINEERING INVENTION. AGRICULTURAL INVENTIONS. MISCELLANEOUS INVENTIONS. a3usinees anb tWersanat. TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted November 30 1886 AND EACH BEARING THAT DATE., scientific american, 1886-12-18


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