Metrology laboratory (standards section)
setName: label: See more items in
content: Jon and Jennifer Hanson Watch and Clock Collection
label: See more items in
content: Jon and Jennifer Hanson Watch and Clock Collection / Series 1: Photographic Prints and Negatives
unitdate: label: Date
content: 1948
label: Date
content: 1949
label: Date
content: undated
container: label: Container
content: Box 8, Folder 28
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials