New York: John Wiley & sons, 1907. — 439 p.
For a number of years the Engineering Laboratory of Purdue University has concerned itself with problems relating to the performance of locomotives, and the results of its researches have from time to time appeared in the proceedings of various scientific and technical societies. This process of publication has extended over a period of fourteen years, and has run through many different channels, with the result that the record now exists in widely scattered parts, which are often difficult of access and, therefore, of limited usefulness.