“A good home study book addressed to the operating engineer or power plant superintendent and designed ‘to supply such information as will enable the reader to wisely select, operate, care for, and repair steam engines and to make a study of and where possible improve their economy.’ Questions and problems accompany each of the 16 divisions, and solutions of the problems are added in an appendix. Illustrated with 548 line drawings made for the work.” – Standard Catalog for Public Libraries: Science and Useful Arts (1931)