Special Applicatioons of Radio Frequency
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: 1924-1949
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
identifier: label: Identifier
content: NMAH.AC.0055, Series 123
objectType: label: Type
content: Archival materials
scopecontent: label: Scope and Contents note
content: Series 123 contains advertisements; articles; booklets; correspondence (1929; 1931;1938-40); installation instructions; news clippings; operating instructions; periodical bulletins; and technical papers regarding audio frequency and special applications of radio frequency apparatus. Subjects include "Radio Music," Theremin, Color Organ and Photophone. This series does not include broadcasting or radio telephony.