00354nam a2200121 a 450000500170000000800410001702000150005804100080007310000210008124500800010226400390018230000110022120260716125152.0260701s1994    ii            000 0 eng d  a1854716042  aeng1 aPollard, Michael14aThe illustrated dictionary of inventors and inventions /cPollard, Michael. 1aLondon :bBloomsbury Books,c1994.  a160 p.