Spark Systems
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: 1898-1941
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
identifier: label: Identifier
content: NMAH.AC.0055, Series 129
objectType: label: Type
content: Archival materials
scopecontent: label: Scope and Contents note
content: Series 129 contains articles; booklets; descriptions for operation; diagrams; instructions; instruction books; news clippings; operating instructions; periodical clippings; photographs; and schematic tracings of spark transmitting and receiving systems. There are general descriptions of systems but usually items are designated by the name of the inventor, such as the "Fessenden system."