Washington, D.C. Bridges Collection
Photoprints and negatives documenting the construction of several Washington, D.C. bridges. The Washington Aqueduct Bridge is the subject of most of the images. The Washington Channel Bridge, the Potomac Highway Bridge, and the 11th Street Bridge are also included among the images. Additionally, there is a letterpress book, an employee time …
Washington Society of Engineers Records
Remington, Charles E.
Ellenberger, William J.
The Washington Society of Engineers was founded in 1905 with the objective to advance engineering knowledge and maintain a high professional standard among members. Membership was open to all individuals who were actively engaged in any branch of the engineering profession. The records contain membership records, meeting minutes and reports, financial records, correspondence, projects and events details, as well as research documents.
Skinner Engine Company Records
Records of the Skinner Engine Company, Erie, Pennsylvania, manufacturers of Universal Unaflow engines, include correspondence and orders, 1905-1939, 1948-1951; drawings, blueprints, tracings, photographs, and files on Corliss engines, diesels, steam turbines, variable steam controls, and Kingsford and Stumpf stationary and marine unaflow engines, 1890-1941, 1944, 1948-1951; instruction and lubrication manuals, catalogs, sales literature, and other …
Charles Edwards Wood Panama Canal Photograph Album
An album of photographs taken during the construction of the Panama Canal. Subjects of the photographs include the earliest digging, tree removal, mosquito control, locks, equipment, Wood's family, a fire in Colon that occurred during the building of the Canal, and the first boats to use the Canal. Photographs include …
Bernis B. Brown Collection
The collection documents the history of farm machinery in America, especially steam-powered machines. The papers include Brown's correspondence with individuals and institutions regarding his research and his collection, notes and notebooks, reference books and history books on farm machines, clippings and articles, newsletters on farming subjects, catalogs of farming equipment …
William E. Hallett Papers
The collection relates to Hallett's career as an engineer and his work with engines. The collection includes correspondence, engineering notebooks, writings, photographs, patent materials, clippings, and publications,.
Cuyler W. Brooks Papers
The collection documents the engineering career of Cuyler W. Brooks, who worked on projects including dams, mills, and water and power plants, many of them overseas and particularly in South America. The papers include project files, proposals, drawings, specifications, contracts, correspondence, and articles.
Herbert S. Grassman Papers
These papers contain photographs, contracts, specifications, and reports for projects consulting engineer, Herbert Grassman worked on.
Hartford, Connecticut Bridge Collection
The collection consists of an album of 208 mounted photographs documenting the Connecticut River Bridge in Hartford, Connecticut. Subjects include the bridge, approaches, and street construction work.
Western Electric Company Photograph Album
This album, prepared for a Bell System conference in Chicago, 1925, contains black-and-white photographs of the Hawthorne, Illinois Works of the Western Electric Company including views of buildings and grounds, offices, laboratories, shops, and the rod and wire mill.