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