Showing results 10549 - 10560 of 10560 for Objects of Wonder: From the Collection of the National Museum of Natural History (Exhibition) (2017- : Washington, D.C.)
Description: Joseph Henry,the first Smithsonian Secretary, served from 1846 to 1878 and was a physicist who conducted pioneering research in electromagnetism.
Showing results 10549 - 10560 of 10560 for Objects of Wonder: From the Collection of the National Museum of Natural History (Exhibition) (2017- : Washington, D.C.)