00307nam a2200121Ia 4500082001600000100001800016245007200034250000900106260002400115300000600139500000500145700003500150  a621bK37.ME  aKent, William  aKent's mechanical engineers handbookbcEd. by J. Kenneth Salisbury  a12th  aTokyobToppanc1950  a   a  aSalisbury, J. Kenneth ;jt. ed.