Sächsische Maschinenfabrik in Chemnitz, Germany in 1868 Metal is commonly cited as the initial of numerous new areas for industrial mass-generation, which are stated to characterise a "2nd Industrial Revolution", beginning all over 1850, although a way for mass manufacture of steel was not invented till the 1860s, when Henry Bessemer invented a

The milling equipment, a basic machine Software, is thought to have been invented by Eli Whitney, who was a govt contractor who built firearms as element of the method. Another vital invention was the Blanchard lathe, invented by Thomas Blanchard. The Blanchard lathe was truly a shaper that can produce copies of picket gun shares. The use of machin