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.
Description: [edan-image:id=siris_sic_10199,size=500,center]Robert McCormick Adams (1926-2018) served as the ninth Secretary of the Smithsonian Institution from 1984 to 1994. He succeeded S. Dillon Ripley who had overseen a period of remarkable expansion from 1964 to 1984. Dr. Dr. Robert McCormick Adams (1926-2018) served as the ninth Secretary of the Smithsonian from 1984 to 1994. An