Positive, Observatory, identical to plate number 2, except laterally reversed. Image silvering
name: label: Collection Creator
content: Archives Center, National Museum of American History
setName: label: See more items in
content: Archives Center Glass Plate Collection
label: See more items in
content: Archives Center Glass Plate Collection / Series 1: Silver Gelatin Plates (8 x 10)
unitdate: label: Date
content: undated
container: label: Container
content: Box 1, Folder 2
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
label: Type
content: Negatives