Schematic circuit diagrams
name: label: Collection Creator
content: Beakes, William Edgar
label: Collection Creator
content: Harris, Charles Cohill, 1898- (radio engineer)
setName: label: See more items in
content: Charles Cohill Harris Collection
unitdate: label: Date
content: 1928
container: label: Container
content: Box 1, Folder 4
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials