00322nam a2200121Ia 4500020001800000082001600018245004600034260002800080300001500108504001900123650004100142700001700183  a0-415-01306-2  aRR 603 ENC; 0aEncyclopedia of the history of technology  aLondonbRoutledgec1990  axv, 1062p.  aIncludes index  aTechnology - History - Encyclopedias  aMcNeil, Ian