Results for "Metric system"
- Finding Aid
SIA Acc. T90039, National Museum of History and Technology (U.S.) Department of National History, Records, 1956-1979
- Date: 1956 1956-1979
- Creator: National Museum of History and Technology. Department of National History
- Creator: Smithsonian Institution Archives
- Finding Aid
SIA RU000334, National Museum of American History (U.S.) Office of the Director, Subject Files, circa 1945-1987, and related records, 1915-1930
- Date: 1915 1915-1987 circa 1945-1987, and related records, 1915-1930
- Creator: National Museum of American History. Office of the Director
- Creator: Smithsonian Institution Archives