montage worker overseeing fiery molten iron, train entering factory, molten iron being poured, and scrap iron are placed into an open-hearth furnace / united kingdom - open hearth furnace stock videos & royalty-free footage00:29
1940 montage iron ore being converted to steel in a steel mill using a bessemer converter, a siemens open hearth furnace, and an electric furnace / united kingdom - open hearth furnace stock videos & royalty-free footage00:21
preparation for the pot baking in furnace - open hearth furnace stock videos & royalty-free footage00:22
preparation for the pot baking in furnace - open hearth furnace stock videos & royalty-free footage00:19
preparation for the pot baking in furnace - open hearth furnace stock videos & royalty-free footage00:16
coals of firewood burning inside of furnace - open hearth furnace stock videos & royalty-free footage00:29
aerial view of strip mine in utah / people look out from observation deck / man pumps explosives detonator / hillside explodes while man in... - open hearth furnace stock videos & royalty-free footage01:57
title "symphony in steel" superimposed over man working in steel mill / two shots of exterior of mill / material being dumped into rail car / molten... - open hearth furnace stock videos & royalty-free footage01:23