Steel alloy manufacture. Allegheny Ludlum Steel Corporation, Brackenridge, Pennsylvania. Thirty-five ton electric arc melting furnace in operation. These furnaces convert scrap iron and steel into high quality steel alloys. This type of furnace gives much faster heating and permits the accurate temperature control so necessary in the processing of the high quality steels. The alloying elements are being added to the bath of molten steel
Summary
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
Tags
Date
01/01/1940
Contributors
Palmer, Alfred T., photographer
United States. Office for Emergency Management.
Location
Brackenridge, 40.60812, -79.74116
Source
Library of Congress
Copyright info
Public Domain