Vacuum Tubes
name: label: Collection Creator
content: Brown, William W., 1889-1980 (electrical engineer)
setName: label: See more items in
content: William W. Brown Papers
unitdate: label: Date
content: undated
container: label: Container
content: Box 8, Folder 10
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials