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: 1902-1935
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
identifier: label: Identifier
content: NMAH.AC.0055, Series 102
objectType: label: Type
content: Archival materials
scopecontent: label: Scope and Contents note
content: Series 102 contains abstracts; articles; blueprints; booklets; charts; circuit layouts; correspondence, 1904-1920; descriptions; diagrams; drawings; history of apparatus for radio telegraphy; illustrations; maps; operating instructions; periodical clippings; photographs; schedules of supplies; and specifications for transmitting and receiving systems. Also covered is comparisons of spark arc, and vacuum tube transmitters. The comparative prices and distances covered for some power input is examined. The chronological history of sequence from spark to U.T. sets is documented.