Introductory material
Reading edition
James M. Townsend, E.L. Drake, Alvan Clark, John Fitch, Oliver Evans, Amos Whittemore, Thomas Blanchard, Richard M. Hoe, Thomas W. Harvey, C.L. Sholes, B.B. Hotchkiss, Charles F. Brush, Rudolph Eickemeyer, George Westinghouse, Jr.