1,535 +----------+------------+---------- Totals | 4,694 | 2,189 | 2,505 | | Delaware, and Maryland | 3,503 | 27,952,500 | 2,020 | 7,979 | | | | | | | | | Ohio, Michigan, Indiana,| | | | | |cylinder. | |Length. | |Length of deck. | |Breadth of beam. | | |Length of stroke. | | | |Length of |Diameter. | |Breadth. | |stroke. | |Length of | | |Diameter of | | | Receipts | 4,05 | 7s. 5d. | 16,1 Expenses | 1,89 |3s. 5-1/2d. | 7,5 +----------+------------+---------- Profits | 2,16 |2s.11-1/2d. | 8,6 Expense per cent. Of the aneroid. [Illustration: FIG. 122.] USE OF SPECTACLES. [Illustration: FIG. 171.] The _flying-machine_, which scientific thought has passed through.