McLain's 12 lessons Lesson of Iron Lesson Grades of iron,Scrap and Coke Lesson Mixing by Analysis Lesson Defects and Remedies Lesson Foundry Data, Weights and Tables Lesson General Foundry Practice Lesson Foundry Practice (Continued) Lesson Chill Castings Lesson Cupola Practice Lesson Cupola Practice (Continued) Lesson Semi-Steel Lesson Semi-Steel (Continued) Index