Department of Entomology, National Museum of Natural History Department of Entomology, National Museum of Natural History The Department of Entomology is a research department and collection unit of the Smithsonian Institution's National Museum of Natural History (NMNH), located in Washington, DC. The department houses the U.S. National Insect Collection, one of the largest entomological collections in the world, with over 35 million specimens housed in 132,354 drawers, 33,000 jars or vials, and 23,000 slides in more than 5,200 cabinets. The department also includes research scientists and technical staff from the Smithsonian Institution, the United States Department of Agriculture Systematic Entomology Lab (SEL) and United States Department of Defense
Conservation and restoration at the Smithsonian Institution specimens and cultural artifacts. The ACL provides professional care for collections; reviews prospective acquisitions and loans; prepares collections for exhibit and loan; maintains objects on exhibit in the National Museum of Natural History; reviews sampling requests; advises on object care; and implements preventive conservation projects. Hope diamond, dinosaur fossils, gems, and minerals. A History of Pest Control Measures in the Anthropology Collections, National Museum of Natural History, Smithsonian Institution by Lisa Goldberg At the National Postal Museum, the Preservation Office is responsible for conservation of the Museum collection. World’s largest stamp gallery, full-size Freight-liner semi-truck cab cutaway, vintage mail planes,