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Scientific American, Vol. 44, No. 21 (May 1881) (1881)

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An illustration from Scientific American, Vol. 44, No. 21 (May 1881), 1881, leaf 0
ferryboat and fastened every 3 feet 9 inches from centers. Wooden between the cable and the hot band so as to protect the gal- passing beneath. The work of suspending the floor beams bridging will be inserted between the beams to resist the vanizing of the wire of the wrapping until the band was… … SUSPENDING THE FLOOR BEAMS OF THE EAST RIVER BRIDGE. 11881 SCIENTIFIC AMERICIAN, INC

Patented · Ammonia · Gamgee · Silk · Patents · Scientific American · Inches · Trade catalogs · Liquid ammonia · Silk culture · Floor beams · Professor gamgee · Steam engine · High pressure · Low pressure · Induction coil

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