Collection guide; Manufacturing and related sectors
Collection guide for the Christiana Machine Company records. The company, established in 1834, was a
small general purpose machine shop and foundry located in Christiana, Lancaster County, Pennsylvania. Orders and customer correspondence form the...
Collection guide; Electric utilities and appliances; Insurance and financial industry
Collection guide for the records of the Pennsylvania Power & Light Company (PP&L). Records document the history of the gas and electric utility industry in eastern Pennsylvania in the years between 1853 and 1955. The collection includes both the...
Guide to a collection with items dated between 1588 and 1926. It represents those portions of the family papers
which descended to Colonel Henry Algernon du Pont (1838-1926) and his son, Mr. Henry Francis du Pont of Winterthur. Between 1949 and...