Posted by SMP on January 18, 2010 at 13:17:19:
In Reply to: macro etch ratings posted by Stuart Alexander on January 18, 2010 at 08:28:53:
Sections nos. 9, 10, and 11 describe examination and rating of macroetched specimens using plates 1, 2, and 3 which consist of photographs of specimens containing various defects. The instructions in the entire Standard are quite explicit. Read them.