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Scientific American, Vol. 57, No. 16 (October 1887) (1887)

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An illustration from Scientific American, Vol. 57, No. 16 (October 1887), 1887, leaf 0
A WEEKLY JOURNAL OF .PRACTICAL INFORMATION, ART, SCIENCE, MECHANICS, CHEMISTRY, AND MANUFACTURES. NEW YOEK, OCTOBER 15, 1887. [$3.00 per Year. V»i. LVli.- «... lG. J [new series.] … (Continued on page 247.) Draper became t. H PHOTOGRAPHIC TELESCOPE. GENERAL VIEW OF THE HARVARD OBSERVATORY. ©1887 SCIENTIFIC AMERICAN, INC.

Iron · Patented · Steel · Apparatus · Patents · Scientific American · Contained · Rock salt · Letters patent · American supplement · Horse power · Address munn · Express money · Manganese steel · Otto gas · Iron armor

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