ENGINEERING INVENTIONS. AGRICULTURAL INVENTIONS. MISCELLANEOUS INVENTIONS. FEBRUARY NUMBER. TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted January 31 1888 AND EACH BEARING THAT DATE. 1 NEW BOOKS AND PUBLICATIONS., scientific american, 1888-02-18
ENGINEERING INVENTIONS. AGRICULTURAL INVENTIONS. MISCELLANEOUS INVENTIONS. FEBRUARY NUMBER. TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted January 31 1888 AND EACH BEARING THAT DATE. 1 NEW BOOKS AND PUBLICATIONS., scientific american, 1888-02-18
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