Reference Radiographs are nondestructive testing standards universally accepted because of their high reliability in accept-reject actions.
Vol II -- 29 plates, Over 1/4 - 3 in.
RRE039002-C01
RRE039002-C02
RRE039002-C03
RRE039002-C04
RRE039002-C05
RRE039002-C06
RRE039002-C07
RRE039002-F01
RRE039002-F02
RRE039002-R01
RRE039002-R02
RRE039002-R03
RRE039002-SN