CHAPTER XVII

“The Rolling Mill Industry,” F. Kindl, Penton Publishing Co., Cleveland, Ohio.

CHAPTERS XVIII & XIX

“Wire Manufacture and Uses,” J. B. Smith, John Wiley & Sons, New York.

CHAPTERS XX & XXI

“Modern Welded Pipe,” National Tube Co., Pittsburg, Pa.

“The Control of Quality in Every Process,” A. M. Byers Co., Pittsburg, Pa.

“Seamless Tubing, Bulletin No. 17–A”, National Tube Co., Pittsburg, Pa.

“The Manufacture of Iron and Steel Tubes,” E. C. R. Marks, Van Ostrand & Co., New York.

CHAPTERS XXII & XXIII

“The Metallography of Steel and Cast Iron,” H. M. Howe, McGraw-Hill Book Co., New York.

“The Metallography and Heat Treatment of Iron and Steel,” Albert Sauveur, Sauveur and Boylston, Cambridge, Mass.

“Metallic Alloys: Their Structure and Constitution,” G. H. Gulliver, Charles Griffin & Co., Ltd., London.