00560nam a22001577a 4500999001500000020001800015082001800033100002600051245006400077260004500141300003400186500002000220650003100240942000700271952012400278  c1497d1497  a1-4053-1419-2  aRef. 609 B8521 aBridgman, Roger9293710a1000 Inventions & discoveries /cwritten by Rober Bridgman.  aLondon :bDorling Kindersley Book,c[?].  a256 p. :bcol., ill. ; 28 cm.  aIncludes index.14aInventionsvHistory.91175  cBK  001040708REFaHS-IMCbHS-IMCcREFd0000-00-00ePurchasedoRef. 609 B852p19855r2017-06-01 00:00:00w2017-06-01yREF