Thank you mo-rie for suggesting that my machine may have started it's life in a school. That may explain all of the misc scratches that are in the machine that are not just pin rash. On one of the cabinet legs is a long etching made by one of those serrated rollers that we used in the "old days" for marking patterns on fabric with transfer paper. Hmmm, I bet somewhere there are some initials on the cabinet. Will have to take a serious look at that.