Record Details
Field | Value |
---|---|
Title | Equipment failures--damaged drill bit |
Creator | Foss, H.E. |
Date | 1949-05-10 |
Description | Columbia Basin Project, Irrigation Division, Soap Lake Siphon, Specifications 2411, Utah Construction Company and Winston Bros. Co., Contractor. This photograph of two 2-inch I.R. insert bits. The one on the left is new. The one on the right has drilled approximately 1,000 lin. feet of basalt. The absence of one cutting edge does not lower the drilling rate appreciably. Mr. L. Moore the I.R. representative said the bit would work better if the opposite insert was knocked out. H.E. Foss,... |
Subject | Drill bits; |
Coverage | United States--Washington--Grant County |
Source | PG 94, Box 1, Folder Equipment Failures, 4 2664 |
Publisher | University of Idaho Library Digital Initiatives, http://www.lib.uidaho.edu/digital/ University of Idaho Library Special Collections and Archives |
Relation | Columbia River Basin Project Collection http://www.lib.uidaho.edu/digital/crbp/ |
Language | eng |
Type | Image;StillImage |
Format | image/jpg |
Rights | Material produced by the United States Army Corp of Engineers. In Public Domain. For more information, please contact University of Idaho Library Special Collections and Archives Department at libspec@uidaho.edu. https://creativecommons.org/publicdomain/mark/1.0/ |
Identifier | http://digital.lib.uidaho.edu/cdm/ref/collection/crbproj/id/1338 |