Clock/time, very low frequency comparion
name: label: Collection Creator
content: Chi, Andrew
setName: label: See more items in
content: Andrew Chi Atomic Clocks Collection
label: See more items in
content: Andrew Chi Atomic Clocks Collection / Series 2: Other Materials
unitdate: label: Date
content: 1959-1966
container: label: Container
content: Box 3, Folder 5
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials