Bachmann Europe is launching Graham Farish N scale models of North Eastern Railway P7 and London North Eastern Railway D12 ...

The bitter conflict in 1892 at his steel plant in Homestead, Pennsylvania revealed Andrew Carnegie's conflicting beliefs regarding the rights of labor.

An aerated discharge system was established in this paper to investigate the discharge of pulverized coal from a pressurized aerated hopper. Two opposite effects of aerated gas on solid were first ...