Bessemer process. First inexpensive industrial process for the mass-production of steel from molten pig iron to the open hearth furnace. Deutsches Museum. Munich. Germany.
Hi-res online download not available. Delivery in 24 hours.
Caption:
Bessemer process. First inexpensive industrial process for the mass-production of steel from molten pig iron to the open hearth furnace. Deutsches Museum. Munich. Germany.