Production. Tin smelting. Removing slag after tapping a furnace in a Southern tin smelter. The tin extracted from the ore has already been drawn off into floats for further refining. The slag is then run off to the right into ladles which will carry it to recooking operations. The slag is reintroduced to the process for further recovery of the metal
Hollem, Howard R., photographer
United States. Office of War Information.
Library of Congress