I had the Lady K from that vintage and it cleaned great. Mine had a real butcher block top and all pushbutton, no dial. Wished I still had it but the screws in the bottom of the door wore a hole into the porcelain interior and leaks began.
Tim, that was emblematic of D&M's great porcelain. It must have been a molecule thick because CU used to note that the sump began to show rust staining during the testing.