A history of technology : Vol. 3 / edited by Charles Singer . . . [et al.] Singer, Charles Joseph, 1876-1960, ed. Williams, Trevor Illtyd. Technology History. Civilization History. T15 .S53 609 SIH Volumes 6-7 ed. by T. I. Williams. Includes bibliographies. Oxford, Clarendon Press, 1967. 1967. 1967 Text 2 vol. eng