CUTTING AND BORING A FLUID-COMPRESSED INGOT, BETHLEHEM STEEL WORKS, SOUTH BETHLEHEM, PA , U. S A. After clearing the sand from an ingot, it is swung in a powerful lathe and cut into blocks of the length requisite for the forgings desired. For hollow forging, the center of the block is bored out on a horizontal boring mill. The one shown has a central driving head, with boring bars at both ends, and takes work 60 inches diameter, boring a 2o-inch hole. from the Article GREAT WORKSHOPS OF THE WORLD. from The Engineering Magazine Devoted to Industrial Progress Volume XX 1900 - 1901 The Engineeri

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CUTTING AND BORING A FLUID-COMPRESSED INGOT, BETHLEHEM STEEL WORKS, SOUTH BETHLEHEM, PA , U. S A. After clearing the sand from an ingot, it is swung in a powerful lathe and cut into blocks of the length requisite for the forgings desired. For hollow forging, the center of the block is bored out on a horizontal boring mill. The one shown has a central driving head, with boring bars at both ends, and takes work 60 inches diameter, boring a 2o-inch hole. from the Article GREAT WORKSHOPS OF THE WORLD. from The Engineering Magazine Devoted to Industrial Progress Volume XX 1900 - 1901 The Engineering Magazine Co

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Size: 3311px × 5285px
Location: USA
Photo credit: © Historic Illustrations / Alamy / Afripics
License: Licensed
Model Released: No

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