Technology in America : a brief history / Alan I Marcus, Howard P. Segal. Marcus, Alan I, 1949- Segal, Howard P. Technology United States History. T21 .M372 1989 609.73 20 MAR Includes bibliographies and index. San Diego : Harcourt Brace Jovanovich, c1989. c1989. 1989 Text xii, 380 p. : eng United States