ENGINEERING INVENTIONS. AGRICULTURAL INVENTIONS. MISCELLANEOUS INVENTIONS. SCIENTIFIC AMERICAN BUILDING EDITION. AUGUST NUMBER. TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted August 9 1887 AND EACH BEARING THAT DATE. Special. FRESH AIR. a3usinees artb 'Werseinat., 1887-08-27

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ENGINEERING INVENTIONS. AGRICULTURAL INVENTIONS. MISCELLANEOUS INVENTIONS. SCIENTIFIC AMERICAN BUILDING EDITION. AUGUST NUMBER. TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted August 9 1887 AND EACH BEARING THAT DATE. Special. FRESH AIR. a3usinees artb 'Werseinat., 1887-08-27

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