00612nam a2200205Ia 4500003000400000005001700004008004100021020001800062040001800080041000800098082001800106100002200124245010200146250001200248260004900260300002600309650002700335650002000362650002400382OSt20241106142427.0210716s2006    xx            000 0 und d  a9780195305999  cAIMIT LIBRARY  aeng  a609 21bLIEJ  aLienhard, John H.  aHow inventions begins : bechoes of old voices in the rise of new machines /cBy John H Lienhard.  a1st ed.  aNew York :bOxford University Press ,c2006.  aix,277P. ;bHBc25 cm  aPriority and apriority  aSteam and speed  aWriting and showing