000 00418 a2200121 4500
020 _a085682666x
082 _2609
245 1 4 _aThe encyclopedia of inventions:
_bthe story of technology through the ages.
260 _aLondon:
_bMarshall Cavendish,
_c1977.
300 _a149 p.
942 _2ddc
_cBK
999 _c3690
_d3690