00548    a2200145   4500008004100000020001800041100002500059245010400084260005000188300002500238942000700263945000700270952010800277999001700385240102b        |||||||| |||| 00| 0 eng d  a9780521094474  aHabakkuk, H. J.9769  aAmerican and British technology in the nineteenth century ; the search for labour-saving inventions  aCambridge:bCambridge University Press,c1962  a222p. Biblio. Index.  cBK  yBK  00102ddc40709235552aISIbISId2021-11-12e1g1969.77l0pDP30399r2021-11-12 00:00:00v2462.22yBK  c37495d37495