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Scientific American, Vol. 76, No. 6 (1897) (1897)

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An illustration from Scientific American, Vol. 76, No. 6 (1897), 1897, leaf 0
A WEEKLY JOURNAL OF PRACTICAL INFORMATION, ART, SCIENCK, MECHANICS, CHEMISTRY, AND MANUFACTURES, NEW YORK, FEBRUARY 6, 1897. [#3.00 4 yea, Vol. LXXVI.—No. 6. ESTABLISHED 1845. EEKLY. VIEW OF UNFINISHED ROADWAY, SHOWING WASHINGTON’S HEADQUARTERS BENEATH THE 155th STREET VIADUCT—RETAINING WALL OF THE… … PRESENT CONDITION OF THE SPEEDWAY, HARLEM RIVER, NEW YORK.—[See page 89.} © 1897 SCIENTIFIC AMERICAN, INC.

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