The papers document the professional career of mechanical engineer, Charles Richardson Pratt. The papers include correspondence, patents, patent application materials, agreements, photographs, publications, and blueprints for many of Pratt's inventions, especially his work on elevators.
These records include sketches, drawings, blueprints, contracts, and reports relating to highway and railroad bridges, tunnels, subways, mine shafts, canals and waterways, dams, concrete buildings, concrete construction, derricks and derrick barges, cranes, caissons and caisson construction, air locks, pumps, jacks, engines, and turbines; also phot...
Archival materials, including photographs, advertising art, catalogs and other trade literature, documenting the equipment, facilities, personnel and products of the S. Morgan Smith Company, engineers and contractors. The subjects of the photographs include engines, fire pumps, generators, paper machinery, turbines, the construction of a dam and hy...
Papers relating to the Pelton Water Wheel Company of San Francisco, California. Materials include correspondence; business records; photographs, including cyanotypes; negatives, images of turbines; advertisements; journals; blueprints; articles; and trade literature, including catalogs.
The records contain catalogs, operator's manuals, illustrations, technical bulletins, glass plate negatives, and annual reports dealing with the activities and products of the company.
The collection documents Mongomery C. Meigs, an Army officer, engineer, architect, and scientist. Meigs's papers include scrapbooks and photographs relating primarily to his work on the Pension Building and the Washington Aqueduct in Washington, D.C. but also his interest in politics, military affairs, construction, Native Americans, inventions, real estate, and financial matters.
The records contain business and legal records; correspondence; patents and patent files; specifications; charts;blueprints; mechanical drawings and original catalog art; photographs and negatives; catalogs, 1868-1870, 1877-1878, 1883, 1900, 1902, 1924; and clippings.
The collection documents some of the writings by Dean F. Petersen, a civil engineer specializing in water resource management.
A letter dated August 4, 1971 from the Executive Director, American Society of Civil Engineers, New York, NY, to Julian Hinds stated: "This is addressed to you as an Honorary Member of the Society at the request of the ASCE Committee on the History and Heritage of American Civil Engineering to bring attention to the possibility that you may wish to...
Papers of Uriah A. Boyden (1804-1879), a Boston civil and mechanical engineer and the inventor of the Boyden turbine. Materials include correspondence, notes, calculations, articles, notebooks, legal documents, financial documents, patents and patent assignments, design drawings, newspaper clippings, pamphlets, business cards, and a print of a daguerreotype.