Collection items available for reproduction, but the Archives Center makes no guarantees concerning intellectual property rights. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Collection Citation:
Harold Lyons Atomic Clocks Collection, Archives Center, National Museum of American History, Smithsonian Institution.
Collection items available for reproduction, but the Archives Center makes no guarantees concerning intellectual property rights. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Collection Citation:
Harold Lyons Atomic Clocks Collection, Archives Center, National Museum of American History, Smithsonian Institution.
Restrictions pertaining to the use of these materials may apply (based on contracts/copyright). Access restrictions may also apply if listening copies are not currently available. Listening copies can be made for a fee. Contact reference staff for details.
Collection Citation:
Smithsonian Institution Archives, Record Unit 590, Smithsonian Institution. Office of Telecommunications, Productions
Collection items available for reproduction, but the Archives Center makes no guarantees concerning intellectual property rights. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Collection Citation:
Harold Lyons Atomic Clocks Collection, Archives Center, National Museum of American History, Smithsonian Institution.
Collection items available for reproduction, but the Archives Center makes no guarantees concerning intellectual property rights. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Collection Citation:
Harold Lyons Atomic Clocks Collection, Archives Center, National Museum of American History, Smithsonian Institution.
Collection items available for reproduction, but the Archives Center makes no guarantees concerning intellectual property rights. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Collection Citation:
Harold Lyons Atomic Clocks Collection, Archives Center, National Museum of American History, Smithsonian Institution.
Collection items available for reproduction, but the Archives Center makes no guarantees concerning intellectual property rights. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Collection Citation:
Harold Lyons Atomic Clocks Collection, Archives Center, National Museum of American History, Smithsonian Institution.
Collection items available for reproduction, but the Archives Center makes no guarantees concerning intellectual property rights. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Collection Citation:
Harold Lyons Atomic Clocks Collection, Archives Center, National Museum of American History, Smithsonian Institution.
Collection items available for reproduction, but the Archives Center makes no guarantees concerning intellectual property rights. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Collection Citation:
Harold Lyons Atomic Clocks Collection, Archives Center, National Museum of American History, Smithsonian Institution.
Consists of memorandum, agenda, calculations and notes that relate to satellites, receivers, graviational red shift probes, and very low frequency time transmissions.
Collection Restrictions:
Collection is open for research but 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.
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:
Andrew Chi Atomic Clocks Collection, Archives Center, National Museum of American History.
Collection items available for reproduction, but the Archives Center makes no guarantees concerning intellectual property rights. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Collection Citation:
Harold Lyons Atomic Clocks Collection, Archives Center, National Museum of American History, Smithsonian Institution.
Collection items available for reproduction, but the Archives Center makes no guarantees concerning intellectual property rights. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Collection Citation:
Harold Lyons Atomic Clocks Collection, Archives Center, National Museum of American History, Smithsonian Institution.
Collection is open for research but 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.
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:
National Company (NATCO) Atomic Clocks Records, 1955-1968, Archives Center, National Museum of American History, Smithsonian Institution.
Collection is open for research but 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.
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:
National Company (NATCO) Atomic Clocks Records, 1955-1968, Archives Center, National Museum of American History, Smithsonian Institution.
Collection is open for research but 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.
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:
National Company (NATCO) Atomic Clocks Records, 1955-1968, Archives Center, National Museum of American History, Smithsonian Institution.