00282nam a2200097Ia 450000500170000000800410001708200120005810000250007024500510009526000380014620260225050937.0260224s9999||||xx |||||||||||||| ||und||  a621 KEN  aJ. Kenneth Salisbury 0aKent's Mechanical engineers handbook: 12th ed.  aJapan: Toppan Company Ltd. c1950