(Aug 10, 2016)
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Rare and scarce issue, with very unique vignette of a large WW1 era cannon! Historic steel manufacturer The Bethlehem Steel Corporation installed the gray rolling mill and producing the first wide-flange structural shapes to be made in America The two second-class battleships (the USS Texas and the USS Maine) would have both large-caliber guns (12-inch and 10-inch respectively) and heavy armor plating The iron made in Bethlehem Steel's blast furnaces was responsible for the world's largest single piece of cast iron that had ever been made up to that time
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