Papers documenting the farming and family life of the Robinson family of Prince George's County and after 1975, Charles County, Maryland. Papers documenting the farming and family of the Via family of Greene County, Virginia, Washington, D.C., Prince George's and Calvert Counties, Maryland, by 1949.

The papers document the life and work of William R. Hutton, a civil engineer during the late 1800s to the early 1900s. Materials include diaries, notebooks, correspondence, letterpress copy book, printed materials, publications, specifications, photographs, drawings, and maps that document the construction of several architectural and engineering projects during this period. Most notable are the records containing information related to the construction of the Chesapeake and Ohio Canal, Hudson River Tunnel, the Washington Aqueduct, the Kanawha River Canal, and the Washington/Harlem River Bridge. There are also several records about railroads in the state of Maryland, the District of Columbia and elsewhere, including the Western Maryland Railroad, Baltimore and Ohio Railroad, Colorado Midlands Railway, Baltimore and Drum Point Railroad, the Northern Adirondack Railroad, and the Pittsfield and Williamstown Railroad. The records can be used to track the progression of these projects, and engineering innovation during the late 1800s to the early 1900s.

The collection documents in photographs, scrapbooks, notebooks, correspondence, stock ledgers, annual reports, and financial records, the evolution of the telegraph, the development of the Western Union Telegraph Company, and the beginning of the communications revolution. The collection materials describe both the history of the company and of the telegraph industry in general, particularly its importance to the development of the technology in the nineteenth and twentieth centuries. The collection is useful for researchers interested in the development of technology, economic history, and the impact of technology on American social and cultural life.

The Scurlock photographic studio was a fixture in the Shaw area of Washington, D.C. from 1911 to 1994, and encompassed two generations of photographers, Addison N. Scurlock (1883-1964) and his sons George H. (1920- 2005) and Robert S. (1916-1994). Series 12 consists of paper documents, published materials, and materials from exhibitions. An overview to the entire Scurlock collection is available here: Scurlock Studio Records

Records documenting Pratt, Read and Company; its early competitor and later partner, Comstock, Cheney and Company; and a number of predecessor, subsidiary and related companies. Other topics include the late 19th century African ivory trade and Pratt, Read's production of troop-carrying gliders during World War II.

Collection consists of records documenting one of the oldest advertising agencies created in Philadelphia. The company then moves to New York and expanses to international markets. During its history NW Ayer & Sons acquires a number of other advertising agencies and is eventually purchased. The largest portion of the collection is print advertisements but also includes radio and television. NW Ayer is known for some of the slogans created for major American companies.

The Scurlock photographic studio was a fixture in the Shaw area of Washington, D.C. from 1911 to 1994, and encompassed two generations of photographers, Addison N. Scurlock (1883-1964) and his sons George H. (1920- 2005) and Robert S. (1916-1994). Subseries 4.6 consists of black and white silver gelatin negatives. An overview to the entire Scurlock collection is available here: Scurlock Studio Records

The Magellan Systems Corporation Records document various aspects of the development of several different Magellan GPS devices through engineering, research, design, manufacturing, and marketing records. Magellan Systems Corporation introduced the first hand-held differential GPS product and the conpany's focus was on research, product engineering, and design activities for GPS receivers. The collection includes correspondence and internal company reports and memoranda; design drawings; research notes; engineering notebooks, technical notes, schematics; photographs, slides and negatives; video and audiocassettes; advertisements; product literature, magazine articles and newspaper clippings; press releases; and user guides and manuals.

The record of the Anthropological Society of Washington concern its organization, membership, and management of its business affairs. Records of its early meetings include not only minutes but also summaries--and at times almost complete papers--of its talks and discussions. Often these are manuscripts written by the speakers. There are also small quantities of documents concerning many of the national and local developments in which the society was involved. In addition, documents of the 1950s and 1960s concern the society's special publications and special programs that often involved appearances by outstanding anthropologists from outside Washington.

William Ian Brinkworth's collection, dated from 1901 to 1991, includes an extensive number of black and white photographs, negatives, color transparencies, books, audio tapes, manuscripts, and research materials. The manuscripts include Brinkworth's book drafts, film treatments, correspondence, historical documents, legal documents, journals and magazines in which his work was published.