Public domain
Production. Tin smelting. Emptying bags of raw tin ore from South America on a conveyor which feeds the crusher of a Southern smelter. The crusher reduces the larger particles to uniform size and discharges ore ready for the first stages of the smelting operation. The plant is already producing larg
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Credit lineProduction. Tin smelting. Emptying bags of raw tin ore from South America on a conveyor which feeds the crusher of a Southern smelter. The crusher reduces the larger particles to uniform size and disc. 1942-01-01. United States. Office Of War Information, Hollem, Howard R.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.