000			00715nam a2200229Ia 4500
003			HQRS
005			20181018000014.0
008			150617s2015 xx 000 0 eng d
040			_aHQRS _beng _cHQRS
041			_heng
100			_aDaumas, Maurice, ed.
245			_aHistory of technology and invention: _bprogress through the ages
260			_aNew York: _bCrown Publishers
300			_av.p.
500			_av. 1 Origins of technological civilization v. 2 First stages of mechanization v. 3 Expansion of mechanization 1725-18960
650			_aInventions
650			_aTechnological innovations
650			_aTechnical change
650			_aTechnological change
365			_aINR
942			_2udc _cBK
999			_c1239 _d1239