Low Frequency Indicating Instruments
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: 1904-1946
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
identifier: label: Identifier
content: NMAH.AC.0055, Series 93
objectType: label: Type
content: Archival materials
scopecontent: label: Scope and Contents note
content: Series 93 concerns methods of recording radio signals on paper, wax cylinders, and other media. Advertisements, blueprints, bulletins, charts, correspondence, data on radio signals and on recorder tapes, drawings, instructions, and instruction books, journals, clippings, reports, sales bulletins, service notes and test results. Includes ink and other recorders and listener and audience recorders.