Among them was the owner of a colliery in the north named Blackett, who built a number of engines for propelling coal-cars and used them at his mines. 鲁伯特·萨金特·荷兰.历史性发明.
The engines that Mr. Blackett had built, using Trevethick’s model as a basis, were working daily near the Killingworth Colliery, and Stephenson frequently went over to see them. 鲁伯特·萨金特·荷兰.历史性发明.
In England, Blackett and George Stephenson discovered that the adhesion of smooth wheels to smooth rails was sufficient. 威廉·亨利·杜利特.世纪发明.