Saul, S. B . Technological change : the United States and Britain in the ninet eenth century; / edited with an introduction by S.B. Saul. - London : Methuen , 1970. - ix, 198 p. : ill ; 22 cm. - Debates in economic history. . Includes Bibliographical references. Subjects--Topical Terms: Technological innovations--Addresses, essays, lec tures.--United StatesTechnological innovations--Addresses, essays, lec tures.--Great Britain Dewey Class. No.: 338.40942 SAU