Arc Transmitting and Receiving 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: 1904-1922
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
identifier: label: Identifier
content: NMAH.AC.0055, Series 128
objectType: label: Type
content: Archival materials
scopecontent: label: Scope and Contents note
content: Series 128 contains advertisements; articles; apparatus orders of the Federal Telegraph Co.; blueprints; booklets of the Telefunken System of Wireless Telegraphy; correspondence, 1913, 1916 & 1918; diagrams; drawings; graphs, memoranda, notes; photographs; schematic diagrams and tests. There are general descriptions of systems but usually items are designated by name of inventor, as "Poulsen System."