Frost, Belopolsky, and Ellerman, July 16, 1899.  Possibly modern print from original negative.  Double-weight paper.  "From Yerkes Observatory" in pencil on verso.
name: label: Collection Creator
content: Brogi, Giacomo
label: Collection Creator
content: Archives Center, National Museum of American History
label: Collection Creator
content: Memmert, Heinrich
label: Collection Creator
content: Reichard & Lindner.
setName: label: See more items in
content: Archives Center Portrait Collection
container: label: Container
content: Box 1, Folder 1
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials