Rich, And- be sure to keep the edges of the mirror and tool chamfered. Bill > Alas, now three hours into polishing my 8" f4.5 Pyrex mirror I find a > couple > scratches. One is not deep enough to feel with a fingernail. One is. > It's > about 1/4" long. > _______________________________________________ ATM mailing list http://www.atmlist.net/