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Steel alloy manufacture. Allegheny Ludlum Steel Corporation, Brackenridge, Pennsylvania. Refined alloy steel in the electric furnace, ready for casting into ingots. The slag layer on top of the molten steel prevents the hot steel from oxidizing, thereby preserving its high quality. This is an operat
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Steel alloy manufacture. Allegheny Ludlum Steel Corporation, Brackenridge, Pennsylvania. Refined alloy steel in the electric furnace, ready for casting into ingots. The slag layer on top of the molten steel prevents the hot steel from oxidizing, thereby preserving its high quality. This is an operat

United States. Office For Emergency Management, Palmer, Alfred T. · 1940-01-01 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

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pennsylvaniabrackenridgeallegheny countysafety film negativesunited states
Credit lineSteel alloy manufacture. Allegheny Ludlum Steel Corporation, Brackenridge, Pennsylvania. Refined alloy steel in the electric furnace, ready for casting into ingots. The slag layer on top of the molten. 1940-01-01. United States. Office For Emergency Management, Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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