01138nam--2200361---450 99000218635020331620210913094926.0000218635USA01000218635(ALEPH)000218635USA0100021863520041118d1967----km-y0itay0103----baengGB||||||||001yyAmerican and British technology in the nineteenth centurythe search for labour-saving inventionsby H. J. HabakkukCambridgeUniversity press1967222 p.20 cm.History economicsCAM4472001History economicsCAM4472001001-------2001TecnologiaGran BretagnaSec. 19.TecnologiaStati Uniti d'AMericaSec. 19.600HABAKKUK,Hrothgar John128214ITsalbcISBD990002186350203316X.3.B. 3179(IL i I 46)20459 G.IL iBKGIUAmerican and british technology in the nineteenth century486939UNISA