Steel - Bessemer steel: Bulk steel production was made possible by Henry Bessemer in 1855, when he obtained British patents for a pneumatic steelmaking process. (A similar process is said to have been used in the United States by William Kelly in 1851, but it was not patented until 1857.)
FAG 23134E1A-M-C3 Spherical Roller Bearing, Straight Bore, Brass Cage, C3 Clearance, Metric, 170mm ID, 280mm OD, 88mm Width, 2400rpm Maximum Rotational Speed, 1700kN Static Load Capacity, 1220kN Dynamic Load Capacity: : Industrial & Scientific
Wall and floor tile used for interior and exterior decoration belongs to a class of ceramics known as whitewares. The production of tile dates back to ancient times and peoples, including the Egyptians, the Babylonians, and the Assyrians. For instance, the Step Pyramid for the Pharoah Djoser, built ...
FAG 23122E1AK-M Spherical Roller Bearing, Tapered Bore, Brass Cage, Normal Clearance, Metric, 110mm ID, 180mm OD, 56mm Width, 4000rpm Maximum Rotational Speed, 680kN Static Load Capacity, 530kN Dynamic Load Capacity: : Industrial & Scientific