18Dec
July 1, 2008 — Engineers designed a case to protect the map that first used the word “America” to describe the land masses now called North and South America. The air-tight container is made of two large sheets of aluminum and a double piece of non-reflective laminated glass. It also includes a system dedicated to maintaining the proper temperature and replacing all potentially destructive oxygen with inert argon gas.
Preserving America’s Birth Certificate: Engineers’ Case Protects America’s Birth Certificate
