1897-11-13: PART - 2. THE MANUFACTURE OF STEEL TUBING-BESSEMER CONVERTERS AT THE NATIONAL TUBE WORKS. McKEESPOR. PA.<br>THE STEEL PIPE AND TUBE INDUSTRY - please see cover for 10/23/1897 to buy the whole series.
1897-11-13: PART - 2. THE MANUFACTURE OF STEEL TUBING-BESSEMER CONVERTERS AT THE NATIONAL TUBE WORKS. McKEESPOR. PA.<br>THE STEEL PIPE AND TUBE INDUSTRY - please see cover for 10/23/1897 to buy the whole series.
