Group photograph
name: label: Collection Collector
content: Swarthmore College. Sproul Observatory (Swarthmore, Pennsylvania: 1916)
label: Collection Creator
content: Gaustad, John E. (Director, Sproul Observatory)
setName: label: See more items in
content: Sproul Observatory Astronomers Photoprints
container: label: Container
content: Box 1, Item 13
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
scopecontent: label: Scope and Contents
content: Matted, with typed label imprinted at bottom of image: "I.A.U. SYMPOSIUM NO. 17  VISUAL DOUBLE STARS / BERKELEY CALIFORNIA AUGUST 11-12 1961".