COMPLETION OF THE FLOOR OF THE NEW EAST RIVER BRIDGE. Cables Is a 60-foot Section of the Bottom Chord of the Stiffening Truss. View Looking Along Axis of Bridge Showing the Floor Between Cables Erected Cantilever Extensions of the Floorbeams Extending 20 Feet Beyond the Cables will be Bolted on Making a Total Width of Floor of 120 Feet. The Traveler and Derrick With Which the Erection Was Done. Preparing to Lift a 10-ton Floorbeam into Position., scientific american, 03-03-14
COMPLETION OF THE FLOOR OF THE NEW EAST RIVER BRIDGE. Cables Is a 60-foot Section of the Bottom Chord of the Stiffening Truss. View Looking Along Axis of Bridge Showing the Floor Between Cables Erected Cantilever Extensions of the Floorbeams Extending 20 Feet Beyond the Cables will be Bolted on Making a Total Width of Floor of 120 Feet. The Traveler and Derrick With Which the Erection Was Done. Preparing to Lift a 10-ton Floorbeam into Position., scientific american, 03-03-14
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