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.
Salt as a Preservative. Salt has been used as a preservative for ages, and works to preserve food in two ways: Salt dries food. Salt draws water out of food and dehydrates it. All living things require water and cannot grow in the absence of water, including the bacteria which can cause food poisoning. Salt is used to preserve beef jerky by keeping it dry, and it prevents butter from spoiling by drawing water out, leaving just the fat. Salt kills microbes.