Spark Transmitter System
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: 1900-1945
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
identifier: label: Identifier
content: NMAH.AC.0055, Series 79
objectType: label: Type
content: Archival materials
scopecontent: label: Scope and Contents note
content: Series 79 contains information relevant to complete spark transmitter systems, consisting of transmitter assembly as described in Series 78, plus other associated parts, e.g. receiver, motor generator, send-receive switch, etc. This series refers to the hardware, not the installed system only. When installed, it falls under Series 6-9. The series includes: abstracts; articles; bid summaries; blueprints; contracts; correspondence, 1911-1923; instructions and descriptions; diagrams; drawings; illustrations; news releases; notes; periodical clippings; photographs; sketches; and testimonies.