Description: [view in Spanish][edan-image:id=siris_sic_13396,size=150,left]Much of the Smithsonian's early natural history collections came from Mexico, the Caribbean, and Central and South America. The fourth Annual Report (1850) discusses several Latin American expeditions, in particular the exploration of islands near Nicaragua by Ephraim G. Squier, who served as U.S. charge d'affaires
Description: When curators at the Smithsonian National Museum of American History looked at seven radiometers in storage, they learned the instruments had been at the Smithsonian for nearly one hundred fifty years.