Amplifiers
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: 1903-1949
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
identifier: label: Identifier
content: NMAH.AC.0055, Series 51
objectType: label: Type
content: Archival materials
scopecontent: label: Scope and Contents note
content: Series 51 consists of material about amplifiers, wave changers and tuners, particularly the enhancement of reception and ease of operations of such equipment, with military and civil applications. Included are instruction manuals; bulletins; operations reports; test results; blueprints; diagrams; original sketches; graphs; photographs; and copies of papers presented. There is also an informal corporate history by Dr. De Forest; and an incomplete transcript of an appeal from Exchecquer Court of Canada (Foda-Radio Ltd., defendant) and the Canadian General Electric Company. See Series L for index to photographs in Bound Volumes.