manufacture of cast steel in encyclopædias and other works are for the most part out of date or are written by scientific men having little or no practical acquaintance with the subject, and consequently are not of much value.... The steel manufacturers of Sheffield are not chemists. The application of chemistry to the manufacture of cast steel has not yet met with any success. The
Fig. 63. — Blowing-Engine of the Wyandotte Works.
analysis of steel is a very difficult process. It has frequently been attempted in Sheffield, but never with any practical success." It is possible that the triumphs of chemistry during the past twenty years, as illustrated by the Thomas-Gilchrist and many other important improvements in metallurgical practice, may have convinced the worshipers of the ultra-practical — American