The nutguard discussed a few weeks ago has now been removed from its desalination bath. It was dried under a fan overnight then coated with a tannic acid solution to stabilize the surface. It was necessary to carefully scrape away numerous large flakes of rust from all over the surfaces of the object before the [...]

Inside the Monitor’s turret there are a series of thin wrought iron plates that covered the rows of nuts and bolts that held together the turret armor. The purpose of these plates was to prevent the nuts from breaking off of the bolts and flying around inside the turret when the armor took a hard [...]