TY - BOOK TI - A history of technology N1 - ACLS e-book AU - Singer, Charles Joseph, 1876-1960.; Raper, Richard. PB - Oxford University Press UR - https://quod.lib.umich.edu/cgi/t/text/text-idx?c=acls;idno=heb02191.0001.001 PY - 1954-1978. ER -