Sujet

Charles Greeley Abbot, astrophysicist

Légende

Charles Greeley Abbot, astrophysicist and Secretary of the Smithsonian, with his device: a silver-disc pyrheliometer which measures direct beam solar irradiance ca. 1913-1917
Charles Greeley Abbot, astrophysicist and Secretary of the Smithsonian, with his device: a silver-disc pyrheliometer which measures direct beam solar irradiance ca. 1913-1917

Crédit

Photo12/Universal Images Group

Notre référence

UMG22A07_113

Licence

Droits gérés

Format disponible

42.0Mo (3.0Mo) / 38.1cm x 27.6cm / 4497 x 3261 (300dpi)

Mots clés

early 1900s scientist early 1900s early 20th century archival historical vintage archive history archival images archival photos historical photos archival photos Charles Greely Abbot astrophysicist Secretary of Smithsonian Silver-disc pyrheliometer early 1900s scientist