000			00544nam a2200157 a 4500
005			20240602103940.0
008			040507s19uu xx 00 eng d
100			_aHabakkuk, H. J
245			_aAmerican and British technology in the nineteenth century : _bthe search for labour-saving inventions / _cby H.J. Habakkuk.
260			_aCambridge : _bUniversity Press, _c1967.
300			_a222 p.
650			_aTechnology _xHistory _zUnited States.
650			_aTechnology _xHistory _zGreat Britain.
650			_aInventions _xHistory.
942			_2ddc
999			_c83297 _d83297