TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted March 8 1887 AND EACH BEARING THAT DATE. burner. T. Shaw Gate. See Folding gate. Railway crossing gate., scientific american, 1887-03-26
TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted March 8 1887 AND EACH BEARING THAT DATE. burner. T. Shaw Gate. See Folding gate. Railway crossing gate., scientific american, 1887-03-26
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