00666nam a2200193Ia 450000100060000000300050000600500170001100800410002801000150006905000160008408200100010010000260011024502090013626000470034530000390039235000090043150000110044065000210045156298BIBL20160527190206.0691009s1968    nyua          00100 eng    a 68031227 0 aTJ146b.W34  a621.810aWalton, Harry.2Local14aThe how and why of mechanical movementsbexactly how machines work: engines, turbines, transmissions, brakes, clutches, rockets, atomic generators, gyroscopes, guidance systems.cIllustrated by Ray Pioch.0 aNew YorkbPopular Science Pub. Co.c[1968]  a297 p.billus. (part col.)c26 cm.  a7.95  a920408 0aMachinery2Local