ОписаниеSecretary Charles G. Abbot with Bolometric Apparatus.jpg
English: Charles Greeley Abbot, then Acting Director of the Smithsonian Astrophysical Observatory (SAO), pictured with bolometric apparatus, was one of a team of Smithsonian scientists who traveled to Wadesboro, North Carolina, to study an eclipse of the sun in 1900. Abbot later became director of the SAO and Fifth Secretary (1928-1944) of the Smithsonian