Hughes, Thomas Parke. American genesis : a century of invention and technological enthusiasm, 1870-1970 / Thomas P. Hughes. - New York, N.Y., U.S.A. : Viking, 1989. - xii, 529 p. : ill. ; 25 cm. Includes index. Bibliography: p. 473-513. ISBN: 0670814784 : $24.95 LCCN: 88040275 Subjects--Topical Terms: Technology--History.--United States LC Class. No.: T21 / .H82 1989 Dewey Class. No.: 609.73