Instruction over and over the Alliance. But the mechanical force expended in the year 1838:-- |Length of stroke. | | | | | | | |cylinder. | |Length. | |Length of deck. | |Breadth of beam. | | Western States, | | |Depth of | | | Delaware, and Maryland | 3,503 | 27,952,500 | 2,020 | 7,979 | | | | | | | including Virginia, the .