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Steel alloy manufacture. Allegheny Ludlum Steel Corporation, Brackenridge, Pennsylvania. Quality in the manufacture of steel requires constant control and research. This chemist is weighing the elements of a steel alloy to determine its exact composition. Analysis is determined to 1/1000 of 1 percent of each element in the alloy
Content Provider | Library of Congress - Photographs |
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Spatial Coverage | Pennsylvania--Allegheny County--Brackenridge |
File Format | JPG / JPEG |
Language | English |
Part of Series | Farm Security Administration/Office of War Information Black-and-White Negatives American Memory |
Requires | HTML5 supported browser |
Access Restriction | Open |
Subject Domain (in LCSH) | United States--Pennsylvania--Allegheny County--Brackenridge. |
Content Type | Image |
Resource Type | Photograph |