Safe elevators made it practical to build taller structures, and cheap steel provided architects with a way to support taller buildings without relying on thick, windowless walls of masonry.
The Bessemer process was the first inexpensive industrial process for the mass-production of steel from molten pig iron. The process is named after its inventor, Henry Bessemer, who took out a patent...
The Bessemer process was the first inexpensive industrial process for the mass-production of steel from molten pig iron. The process is named after its inventor, Henry Bessemer, who took out a patent...