Inhaltsverzeichnis
Benjamin Franklin
Robert Fulton
Eli Whitney
Elias Howe
Samuel F. B. Morse
Charles Goodyear
John Ericsson
Cyrus Hall McCormick
Thomas A. Edison
Alexander Graham Bell
American investors, past and present : 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.