Receiving Condensers
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: 1871-1946
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
identifier: label: Identifier
content: NMAH.AC.0055, Series 48
objectType: label: Type
content: Archival materials
scopecontent: label: Scope and Contents note
content: Series 48 contains literature about receiving condensers, including variable and fixed types, detectors, and test appliances; standard condensers for laboratory use; protective device condensers; and key condensers. Included are mostly patents and variable patents, but also there are indexes, diagrams and drawings. This series also consists of patents on sub-class 2 and including specification of Letter Patents on foiled paper and methods of producing same; on condensers; on electrical ignition devices; on press-plates; on press-mold; on condenser terminals and methods of framing same; on protective units, on high-frequency electrical oscillation apparatus. In addition, there are bulletins; magazine clippings; booklets; correspondence; drawings; diagrams; graphs; reports; extracts from U.S. Navy monthly reports; pamphlets; articles; memoranda; test; and experiments.