A booklet produced by the American Iron and Steel Institute's Committee of Steel Plate Producers in the 1960s to illustrate imaginative and attractive designs in constructing community water-storage structures with steel.

E.I. du Pont de Nemours & Company is a chemical company commonly known as the DuPont Company. DuPont introduced its first reverse osmosis permeators for water desalination in 1969 under the trade name "Permasep" as a result of its contusion research in polymer chemistry and synthetic fibers. The collection documents the manufacture and operational use of the Permasep® product line. The collection consists of photographs, slides, videocassettes, and marketing materials that document the DuPont Company's involvement in the Permasep® product line. The bulk of the collection are slides of desalination plant views, including interior and exterior views. This collection includes slide presentations, brochures, and videocassettes promoting Permasep®. Researchers interested in industrial reverse osmosis systems may find this collection useful.

E.I. du Pont de Nemours & Company is a chemical company commonly known as the DuPont Company. DuPont introduced its first reverse osmosis permeators for water desalination in 1969 under the trade name "Permasep" as a result of its contusion research in polymer chemistry and synthetic fibers. This collection documents the marketing and patenting efforts of DuPont on behalf of their Permasep® product line.

John M. Tinker (1897-1974) was the director of Jackson Laboratory, the main research unit of the Organic Chemicals Department of E.I. du Pont de Nemours & Company, from 1943 to 1962. After his retirement, he joined the U.S. Foreign Service and worked for three years as the science attaché at the U.S. Embassy in Karachi, Pakistan. This small collection of Tinker's papers is related to both his time at Jackson Laboratory and his work for the U.S. government.

Penn Virginia Corporation was an oil and gas company, incorporated as the Virginia Coal & Iron Company on January 6, 1882. It was one of many firms established by a group of interrelated entrepreneurs headed by John Leisenring (1819-1884), a Mauch Chunk, Pennsylvania, civil and mining engineer. The name changed to Penn Virigina Corporation in 1967. The records of Penn Virginia Corporation cover the development and operations of the Virginia Coal & Iron Company, a large southern Appalachian land company, with some information on its immediate neighbors and local support facilities.

Pennsylvania Power & Light Company formed in 1920 through the consolidation of eight electric utilities companies serving central and eastern Pennsylvania. The collection primarily includes corporate papers documenting the company’s acquisition of various competing electric companies in the early-to-mid twentieth century by way of franchise building, market research and corporate communications, hydroelectric development through studies and surveys on Pennsylvania’s waterways, and material documenting the company’s various power plants in central eastern Pennsylvania. Financial and accounting records of the Pennsylvania Water & Power Company, which PP&L acquired in 1955, are also included.