Wilkins, Charles (Saltpeter dealer) (associated name)
A map of the Mammoth Cave, owned by Lexington, Kentucky saltpeter dealer Charles Wilkins. Wilkins and his brother John sold saltpeter to E.I. du Pont de Nemours & Company during the early nineteenth century.
Du Pont, Lammot, 1831-1884, Du Pont, Alfred Victor, 1798-1856
Lammot du Pont's description of the surveying and construction of the Lower Yard, located on the Brandywine Hundred side of the Brandywine below the Hagley Yard. Included are survey maps of the yard, an estimate of construction costs, and a map of the yard.
Map displaying the distances objects were thrown in a corning mill and dry house explosion in the Upper Yard (Eleutherian Mills) along with locations of buildings and the structural damage they received from the blast.
Map of the DuPont company's Levins Projector Line at the Brandywine Works, located across the "Iron Bridge" opposite the Hagley Yard. Levins Projectors were delivery devices for gas canisters used during World War I.
Also showing railroad lines of Central Railroad Company of New Jersey, Central Railroad Company of Pennsylvania, Baltimore & Ohio Rail Road, West Maryland Railway and other lines in which Reading Company has a substantial interest.
Leaf no. 9, detached from Beers' Atlas of the state of Delaware, 1868, containing three maps: Brandywine banks, Newport, and Brandywine Village. Map shows locations of worker's homes, factories, and various businesses located along the Brandywine Creek, in Wilmington and Newport, Delaware.