Engineering, Technology 

Invaluable reference work for anyone interested in the history of the Baltimore & Ohio. Lists over 7000 steam locomotives used by the B&O and the more than 100 companies it absorbed over the years. Chapters include: B&O Early Power (1830-1884), Absorbed Lines (1866-1884, including Central Ohio and Pittsburgh & Connellsville), B&O Renumbering of 1884, Absorbed Lines (1884-1932, including the Pittsburgh & Western, the Baltimore & Ohio South Western, the Cincinnati, Hamilton & Dayton, and the Buffalo, Rochester & Pittsburgh), the B&O Locomotive Classification System, B&O Locomotives 1884-1960 By Class, Staten Island Rapid Transit, Steam Locomotives Surviving 1992, Locomotive Renumbering Scheme of 1956, and three Indexes: B&O Locomotive Diagrams, B&O Locomotive Numbers, and Locomotives of B&O Predecessor and Subsidiary Lines. Illustrated throughout with schematic diagrams of the different classes of locomotives as well as a 16 page photo section. 221 pages. - from Amzon