This collection consists of glass plate negatives and advertising ephemera created by the Baugh & Sons Company, also known as the Baugh Chemical Company, manufacturers of a variety of agricultural fertilizers from 1855-1963.

The papers document Leo H. Baekeland, a Belgian born chemist who invented Velox photographic paper (1893) and Bakelite (1907), an inexpensive, nonflammable, versatile plastic. The papers include student notebooks; private laboratory notebooks and journals; commercial laboratory notes; diaries; patents; technical papers; biographies; newspaper clippings; maps; graphs; blueprints; account books; batch books; formula books; order books; photographs; and correspondence regarding Baekeland, 1887-1943.

Thomas Dale Stewart was a physical and forensic anthropologist and worked at the Smithsonian National Museum of Natural History from 1931 until his death in 1997. He worked under Ales Hrdlicka until 1943, became the head curator in 1960, director of the museum in 1962, and retired in 1971. Stewart's research interests included physical and forensic anthropology and archaeology, mostly in North and South America. He also worked with the F.B.I. frequently to aid in homicide investigations, and worked extensively with the U.S. Army to identify skeletal remains from the Korean War in Operation Glory. The Thomas Dale Stewart Papers primarily deal with his life and career at the Smithsonian, particularly his research projects and publications between 1931 and 1991. Materials consist mainly of correspondence, photographic material, dossiers based on writings and research projects, and administrative files.

This accession consists of records documenting the research and professional activities of Melbourne R. Carriker, marine malacologist. Carriker's research interests included snails, oysters, clams, invasive species of mollusks, marine mariculture, and estuarine ecology. Much of Carriker's research focused on South America, where he was ...

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.

This accession consists of records that document collections management, research, and professional activities of curators in the Division of Agriculture and Natural Resources, with earlier records dating back to when the division was known as the Division of Extractive Industries, the Division of Manufacturing, the Division of Agriculture ...

This collection consists of records primarily of the Lehigh Coal and Navigation Company. Additionally, there are records of the Lehigh Navigation Coal Company and subsidiary companies including the Alliance Coal Mining Company. These records mostly describe anthracite mining in the vicinity of Mauch Chuck and Summit Hill, Pennsylvania. Also include...

This record unit consists of the research files of Robert P. Multhauf, Curator in the Division of Physical Sciences. The records contain scripts for Hall of Chemistry exhibitions; historical information and illustrations pertaining to chemistry, chemical apparatus, and industrial laboratories; biographies of distinguished chemists; and se...

The collection consists of correspondence, invoices, drawings, photographs, and negatives and other printed literature documenting the Baltimore and Ohio Railroad from its inception in 1827 to its merger with the Chesapeake and Ohio Railroad in the 1960s.

The collection documents the building, operation and daily life of coal mining communities in Kentucky, West Virginia and Ohio between 1911 and 1946. The collection is a valuable for the study of mining technology and the social conditions of the time period and regions.