CHAPTER I
“The History of the Manufacture of Iron in All Ages,” James Swank, Am. Iron and Steel Assoc., Philadelphia, Pa.
“The Materials of Engineering—Iron and Steel,” Robert Thurston, John Wiley & Son, New York.
“The History of the Manufacture of Iron in All Ages,” James Swank, Am. Iron and Steel Assoc., Philadelphia, Pa.
“The Materials of Engineering—Iron and Steel,” Robert Thurston, John Wiley & Son, New York.