Engineering · Industrial Revolution19 / 521850sThe Bessemer process1850s · BritainA scene in a steel mill, Republic Steel, Youngstown, Ohio. Molten iron is blown in an Eastern Bessemer converter to change it to steel for war essentials.Alfred T. Palmer · Public domain · Wikimedia Commons · Source recordBack to Engineering19 / 52PreviousRailway engineeringNextThe safety elevator
