Vacuum Tubes, Transmitting Types
name: label: Collection Creator
content: Clark, George Howard, 1881-1956
setName: label: See more items in
content: George H. Clark Radioana Collection
unitdate: label: Date
content: 1905-1948
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
identifier: label: Identifier
content: NMAH.AC.0055, Series 41
objectType: label: Type
content: Archival materials
scopecontent: label: Scope and Contents note
content: Series 41 contains advertisements; booklets; correspondence, l9l9-l940; schematic diagrams; engineer's reports and tests; grids; magazine articles; newspaper clippings; photographs; price lists; sales bulletins; sales catalogues; specification reports; technical data reports; technical information sheets; and tube test reports of transmitting type vacuum tubes. RCA and the De Forest Company are represented.