A practical treatise on the movement of slide valves by eccentrics. [electronic resource] For the use of engineers, draughtsmen, machinists, and students in general. By C. W. MacCord ... Illustrated by 8 full page copperplates.
Electronic text and image data. Ann Arbor, Mich. : University of Michigan, Digital Library Initiatives, 2000. Includes both TIFF files and keyword searchable text. [Making of America] This volume is made possible by a grant from the Andrew W. Mellon Foundation as part of Making of America IV: the American voice, 1850-1877.
