Object Details
sova.nmah.ac.0055_ref1298
- Collection Creator
- Clark, George Howard, 1881-1956
- See more items in
- George H. Clark Radioana Collection
- Date
- 1875-1935
- Archival Repository
- Archives Center, National Museum of American History
- Identifier
- NMAH.AC.0055, Series 20
- Type
- Archival materials
- Collection Citation
- George H. Clark Radioana Collection, Archives Center, National Museum of American History, Smithsonian Institution
- 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.
- Scope and Contents note
- Series 20 contains newspaper and magazine clippings, articles, correspondence, pamphlets and booklets, about rectifiers; several copies of "Descriptive Specifications for Rectox Rectifiers," instructions for installation and operation; and Department of Commerce and Labor, Bureau of Standards, publication titled "Some Contact Rectifiers of Electric Currents." The series includes Mercury type, Mechanical Thermionic-electric, and Dry, contact type, but does not include tubes for electronic types.
- 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 [email protected] or 202-633-3270. Gloves must be worn when handling unprotected photographs, negatives, and slides.
NMAH.AC.0055_ref1298
Large EAD
https://n2t.net/ark:/65665/ep865f6f4af-e7f0-4f4c-a956-6766ea42e5bb
NMAH.AC.0055
ACAH
- Record ID
- ebl-1562720312231-1562720312437-7