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Scientific American, Vol. 89, No. 18 (October 1903) (1903)

leaf 9

An illustration from Scientific American, Vol. 89, No. 18 (October 1903), 1903, leaf 9
- and the longest and most important bridge is one of grain in the English market, for the corresponding solidating with others. Altogether, the group was com- measuring 760 feet in length between abutments. It years, he showed that there certainly was some coinci- posed of about nine spots, and… … in the whole 113% scope, is darkened BUN SPOTS FHOTOGBAFHED AT THE NAVAL OBBEBVATOBY, WASHINGTON, D. C, ON OCTOBEB 12, 1903. miles at an alti- here and there by tude of 5,200 feet. spots. Usually they This bridge is 881 feet long between abutments, and is was quite satisfied with such evidence. As…

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