Patent correspondence, control valve
name: label: Collection Creator
content: Bickley, Everett H., 1888-1972
setName: label: See more items in
content: Everett H. Bickley Collection
label: See more items in
content: Everett H. Bickley Collection / Series 3: Sorter Information / 3.2: General Information
unitdate: label: Date
content: 1957 - 1958
container: label: Container
content: Box 11, Folder 14
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials