Series 69 contains abstracts; articles; blueprints; booklets; correspondence, 1916-1928; descriptions; diagrams; illustrations; instruction sheets; maps; newsclippings; operating instructions; photographs; reports; sales catalogues; sketches; studies; elementary and technical notes; and wiring diagrams of direction finding equipment. Among the types covered are the pilot cable; radio compass; radio range; Loran; Shoran; Dellini Tosi system; and transmitting types of direction finders, such as Becon. See Series L for index to photographs in Bound Volumes.
Collection Restrictions:
Collection is open for research but a portion of the collection remains unprocessed and is stored off-site and special arrangements must be made to work with it. Contact the Archives Center for information at archivescenter@si.edu or 202-633-3270.
Gloves must be worn when handling unprotected photographs, negatives, and slides.
Collection Rights:
Collection items available for reproduction, but the Archives Center makes no guarantees concerning copyright restrictions. Other intellectual property rights may apply. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Collection Citation:
George H. Clark Radioana Collection, Archives Center, National Museum of American History, Smithsonian Institution
