File:"60-inch cyclotron at the University of California Lawrence Radiation Laboratory, Berkeley" - NARA - 558594.tif
Original file (3,000 × 2,409 pixels, file size: 6.89 MB, MIME type: image/tiff)
Captions
Summary[edit]
"60-inch cyclotron at the University of California Lawrence Radiation Laboratory, Berkeley" ( ) | |||||||||||||||||||||||||||
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Author |
Unknown authorUnknown author or not provided |
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Record creator InfoField | Department of Energy. Office of Public Affairs. (10/01/1977 - 1985?) | ||||||||||||||||||||||||||
Title |
"60-inch cyclotron at the University of California Lawrence Radiation Laboratory, Berkeley" |
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Description |
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Date |
1939 date QS:P571,+1939-00-00T00:00:00Z/9 |
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Collection |
institution QS:P195,Q38945047
Still Picture Records Section, Special Media Archives Services Division (NWCS-S) |
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Record ID InfoField |
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Source | U.S. National Archives and Records Administration | ||||||||||||||||||||||||||
Other versions |
Please do not overwrite this file: any restoration work should be uploaded with a new name and linked in this page's "other versions=" parameter, so that this file represents the exact file found in the NARA catalog record to which it links. The metadata on this page was imported directly from NARA's catalog record; additional descriptive text may be added by Wikimedians to the template below with the "description=" parameter, but please do not modify the other fields. |
Licensing[edit]
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 19:54, 23 September 2011 | 3,000 × 2,409 (6.89 MB) | US National Archives bot (talk | contribs) | == {{int:filedesc}} == {{NARA-image-full |Title="60-inch cyclotron at the University of California Lawrence Radiation Laboratory, Berkeley" |Scope and content="'Photograph shows the 60-inch cyclotron at the University of California Lawrence Radiation Lab |
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Image title | Landscape |
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Author | NARA |
Width | 3,000 px |
Height | 2,409 px |
Bits per component | 8 |
Compression scheme | Uncompressed |
Pixel composition | Black and white (Black is 0) |
Image data location | 282 |
Number of components | 1 |
Number of rows per strip | 2,409 |
Bytes per compressed strip | 7,227,000 |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
File change date and time | 12:49, 27 July 1998 |
Structured data
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image/tiff
60bf9b6e816d767577be755bb6b082393f186d8f
7,227,282 byte
2,409 pixel
3,000 pixel
"60-inch cyclotron at the University of California Lawrence Radiation Laboratory, Berkeley" (English)
"'Photograph shows the 60-inch cyclotron at the University of California Lawrence Radiation Laboratory, Berkeley, in August, 1939. The machine was the most powerful atom-smasher in the world at the time. It had started operating early in the year. During the period of the photograph Dr. Edwin M. McMillan was doing the work which led to the discovery of neptunium (element 93) a year later. The instrument was used later by Dr. Glenn T. Seaborg and his colleagues for the discovery of element 94 (plutonium) early in 1941. Subsequently, other transuranium elements were discovered with the machine, as well as many radioisotopes, including carbon-14. For their work, Drs. Seaborg and McMillan shared the Nobel Prize in 1951. The machine was used for the "long bombardments" which produced the first weighable and visible quantities of plutonium, which was used at Chicago by Seaborg and his colleagues to work out the method for separating plutonium on an industrial scale at the Hanford, Washington, plutonium pro...'" (English)
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- US National Archives series: Activities and Personnel of the Department of Energy and Predecessor Agencies, 1955 - 1979
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- PD US Government