Most exhaustive and complete history of this important class of steam locomotives yet written. Mechanical and operational data 1924-1952. H-7s set a new standard nationally as the first “production class” of a single-expansion articulated locomotive, previous examples all being compound. Served C&O on the Russell-Toledo coal trains and the Alleghany coal trains. Fully illustrated with drawings, tables, map, and literate text. BK-22-501 $24.95 Softbound 64-126 pages
