00564cam a2200181 7i4500 0000005326 20080520090000.0 20040331 13:07 080520 NM NM TR750 .G85 1973 A guide to the radiographic evaluation of discontinuities in aluminium castings. [New York]: General Dynamics Corp., 1973. 1 v. (various pagings): ill.; 25cm. Metal castings -- Radiography Radiography -- Processing 0000004799 Book Open Shelf HQ Library