When it comes to caring for historic metalwork, less is very often more. Over-zealous cleaning and sometimes (dare-I-say-it) scrubbing, can lead to loss of carved detail in decorative metalwork. This can is undesirable when it comes to commemorative floor-brasses or plates, amongst other things. Inscriptions and dedications can be lost forever, disassociating the object from its history and ultimately losing its  significance. In addition, excess polishing or waxing can lead to built-up residues on the metalwork. While the build up of residue is unsightly, it can also be damaging to the metal itself and cause long-term corrosion problems where moisture has been trapped. With this post I will briefly explain the…