Fascinating and handsomely done authoritative history of the Heisler geared locomotive. Chapters include a biography of Charles L. Heisler, a description of the Stearns Manufacturing Co., the Heisler Locomotive Works, the Whitney Engineering Co., the origins, development and refinement of the Heisler, the purpose, distribution and performance of the Heisler, competitors of the Heisler, the construction of a Heisler, Heisler's last years, detailed scale drawings, builder lists, and an owner list. Illustrated throughout with black and white photos. With bibliography and index. Some copies of the book contain an Addenda and Errata Sheet with list of existing Heislers as of November, 1982. 199 pages.