Radio Frequency Switches
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: 1905-1933
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
identifier: label: Identifier
content: NMAH.AC.0055, Series 24
objectType: label: Type
content: Archival materials
scopecontent: label: Scope and Contents note
content: Series 24 contains information about radio frequency switches; Fessenden send-receive switch "walking beam" type; American Marconi antenna transfer switch; and Stone Telephone and Telegraph Co. antenna send-receive switch. Also included are records and drawings of antenna transfer switches produced by the De Forest Co., the Wireless Specialty Apparatus Co., and the Liberty Electric Corporation. There is also correspondence to and from George H. Clark regarding this technology.