Columbia subject headings:
Fitch, John, 1743-1798.
Franklin, Benjamin, 1706-1790.
Fulton, Robert, 1765-1815.
Mechanical ability.
Success.
Whitney, Eli, 1765-1825.
Harvard subject headings:
Fitch, John, 1743-1798
Franklin, Benjamin, 1706-1790
Fulton, Robert, 1765-1815.
Mechanical ability.
Success
Whitney, Eli, 1765-1825
Princeton subject headings: