Arkivism
Anaconda smelter, Montana. Anaconda Copper Mining Company. Copper converter in action. Object of converting is to eliminate sulphur and iron; this is accomplished by blowing compressed air through the molten charge. The oxidation products unite with silica which is added to form a slag which floats
Public domain

Anaconda smelter, Montana. Anaconda Copper Mining Company. Copper converter in action. Object of converting is to eliminate sulphur and iron; this is accomplished by blowing compressed air through the molten charge. The oxidation products unite with silica which is added to form a slag which floats

Lee, Russell · 1942-01-01 · photo, print, drawing

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

Subjects
nitrate negativesunited statesanacondadeer lodge countymontana
Credit lineAnaconda smelter, Montana. Anaconda Copper Mining Company. Copper converter in action. Object of converting is to eliminate sulphur and iron; this is accomplished by blowing compressed air through the. 1942-01-01. Lee, Russell. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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