There's a catalog of Hokie merchandise we get a few times a year, I think from the bookstore that has pieces that can be used to decorate gardens, as door stops, and as desk items. But they're about $100+ depending on size and engraving.
Saltpeter is the common name used for several different chemical compounds, specifically for potassium nitrate and sodium nitrate. Potassium nitrate is commonly used in gunpowder, and sodium nitrate is found in fertilizers and explosives.
Saltern is a word with a number of differing meanings. In English archaeology, a saltern is an area used for salt making, especially in the East Anglian fenlands. There is an area called Salterns in Poole, Dorset, which was in active use for salt-making from before 1750 to the mid-1800s. A 1748 map shows two Boiling Houses near the edge of the harbour.