Parkman, Mary Rosetta Conquests of Invention: Cyrus H. Mccormick, Elias Howe, Thomas A. Edison, William Murdock, Robert Fulton, Guglielmo Marconi, Charles Goodyear, George Westinghouse, Eli Whitney, Alexander Graham Bell Elias, Robert Henry 1914- Theodore Dreiser, Apostle of Nature Perry, F M. Four American Inventors: Robert Fulton, Samuel F. B. Morse, Eli Whitney, Thomas A. Edison; a Book for Young Americans Sök bara efter: Roberts, Eli
