ENGINEERING INVENTIONS. AGRICULTURAL INVENTIONS. MISCELLANEOUS INVENTIONS. 361 Broadway New York TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted December 20 1887 AND EACH BEARING THAT DATE., scientific american, 1888-01-07
ENGINEERING INVENTIONS. AGRICULTURAL INVENTIONS. MISCELLANEOUS INVENTIONS. 361 Broadway New York TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted December 20 1887 AND EACH BEARING THAT DATE., scientific american, 1888-01-07
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