00444 a2200133 4500 240102b |||||||| |||| 00| 0 eng d 9780521094474 Habakkuk, H. J. 769 American and British technology in the nineteenth century ; the search for labour-saving inventions Cambridge: Cambridge University Press, 1962 222p. Biblio. Index. BK BK 0 0 ddc 0 0 235552 ISI ISI 2021-11-12 1 1969.77 0 DP30399 2021-11-12 00:00:00 2462.22 BK 37495 37495