Record Details
Penstock X-Ray Machine
Washington State University Libraries
| Field | Value |
|---|---|
| Title | Penstock X-Ray Machine |
| Description | A 200,000-volt X-ray machine photographing the circumferential welded seams of a main unit penstock section. One picture covers 16 inches of the seam; the penstock liner is rotated so that successive 16-inch sections of the seam are X-rayed. The film is exposed to X-rays which have first passed through the welded seam, and any slag, gas, or lack of fusion that is present in the weld is revealed by the photograph. A 200,000-volt X-ray machine photographing the circumferential welded seams of a main unit penstock section. One picture covers 16 inches of the seam; the penstock liner is rotated so that successive 16-inch sections of the seam are X-rayed. The film is exposed to X-rays which have first passed through the welded seam, and any slag, gas, or lack of fusion that is present in the weld is revealed by the photograph. |
| Relation | Part of Western Waters Digital Library: http://harvester.lib.utah.edu/wwdl/; Messrs. Johnson and Erickson selected photographs from photographers Pomeroy, Robinson, and Russell. |
| Creator | United States. Bureau of Reclamation |
| Subject | Penstocks--Washington (State)--Grand Coulee Dam; Steel Radiography--Washington (State)--Grand Coulee Dam |
| Coverage | Penstocks--Washington (State)--Grand Coulee Dam; Equipment and Personnel Transportation; Spillways--Washington (State)--Grand Coulee Dam United States--Washington (State)--Grant County--Grand Coulee Dam site, Grand Coulee Dam (Wash.) |
| Type | photographs |
| Identifier | 40b7v7p225.jpg http://kaga.wsulibs.wsu.edu/u?/banks,2815 |
| Date | 8/10/1939 2008 |
| Publisher | Manuscripts, Archives, and Special Collections, Washington State University Libraries: http://www.wsulibs.wsu.edu/holland/masc/masc.htm |
| Source | Columbia Basin Project History (Vol. VII, Page 225)-Cage 40, Box 7 of the Frank Arthur Banks Papers, 1913-1957: http://www.wsulibs.wsu.edu/Holland/masc/finders/cg40.htm |
| Rights | To order a reproduction please see: http://www.wsulibs.wsu.edu/holland/masc/policies.htm; or contact Washington State University Libraries, Manuscripts, Archives, and Special Collections: (509) 335-6691. For permission to publish please contact Washington State University Libraries, Manuscripts, Archives, and Special Collections: (509) 335-6691. |
| Format | Original photographic prints were scanned at 24 bit 3000 pixels by the long side for master TIFF files on an Epson Expression 10,000 XL scanner. While 24 bit 150 PPI JPEG also created and added to the CONTENTdm database at the WSU Libraries. |
| Language | English |
