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Scope and ContentMagazine ad by Bethlehem Steel about tunnel lining segments made for Lincoln Tunnel third tube. Full page black-and-white ad published in Business Week, April 29, 1957, pg [82]. Leaf clipped from publication, 8" x 11" high. Bethlehem Steel had a shipyard in Hoboken at this time in its Shipbuilding Division; while unrelated to Hoboken, the ad shows the breadth and scope of this major steel producer Text: [photo of stacked tunnel segments] It took 30,000 of these to tunnel the Hudson River These are tunnel segments. Some 30,000 of them were used in the walls of the new tube of the Lincoln Tunnel. Most of the segments were made of cast iron, suitable for portions of the tunnel that go through the mud and silt of the river bed. Some were made of steel, and were used in the sections that go through solid rock. These segments fit together something like bricks in a wall, except that they are curved and bolted to form a cylinder. The joints are calked with lead, and the inside is coated with concrete to make the tube permanently watertight. This cylinder, or tube, is 31 ft in diameter and carries a dual-lane roadway connecting New York City with New Jersey and points west. It will increase the Lincoln Tunnel's annual capacity by 50 pct, a boon to commuters and the motoring public. Bethlehem Steel Company cast and machined the segments for this big project just as it made those for the earlier tubes of the Lincoln, Holland, Brooklyn-Battery, and Queens-Midtown tunnels of New York. [caption for aerial photo of Weehawken, New Jersey tunnel plaza showing third tube] The New Jersey porta! of the Lincoln Tunnel, with the new tube shown at the right. This tube is 1 1/2 miles long, and will carry an estimated 10 million vehicles a year. It is owned and operated by The Port of New York Authority. BETHLEHEM STEEL