&c.

&c.
-- -------------------------------------------------------------------- Delaware, 74 $543,368 00 1820 $354,132 56 1827 and 1838 N.Carolina, 74 431,852 00 1825 317,628 92 1824 and 1836 Constitution, 44 302,718 84 1797 266,878 34 1833 and 1839 United States 44 299,336 56 1797 571,972 77 1821 and 1841 Brandywine, 44 [23]299,218 12 1825 [23]377,665 95 1826 and 1838 Potomac, 44 [23]231,013 02 1822 [23] 82,597 03 1829 and 1835 Concord, 20 115,325 80 1828 72,796 22 1832 and 1840 Falmouth, 20 94,093 27 1827 130,015 43 1828 and 1837 John Adams, 20 110,670 69 1829 119,641 93 1834 and 1837 Boston, 20 91,973 19 1825 189,264 37 1826 and 1840 St.Louis, 20 102,461 95 1828 135,458 75 1834 and 1839 Vincennes, 20 111,512 79 1826 178,094 81 1830 and 1838 Vandalia, 20 90,977 88 1828 59,181 34 1832 and 1834 Lexington, 20?
114,622 35 1826 83,386 52 1827 and 1837 Warren, 20?
99,410 01 1826 152,596 03 1830 and 1838 Fairfield, 20 100,490 35 1826 65,918 26 1831 and 1837 Natches,[24] 20?
106,232 19 1827 129,969 80 1829 and 1836 Boxer, 10 30,697 88 1831 28,780 48 1834 and 1840 Enterprise, 10 27,938 63 1831 20,716 59 1834 and 1840 Grampus, 10 23,627 42 1821 96,086 36 1825 and 1840 Dolphin, 10 38,522 62 1836 15,013 35 1839 and 1840 Shark, 10 23,627 42 1821 93,395 84 1824 and 1839 -- -------------------------------------------------------------------- [Footnote 23: Returns incomplete.] [Footnote 24: Broken up in 1840.] It appears from the above table, that the cost of constructing ships of the line is about $6,600 per gun; of frigates, $6,500 per gun; of smaller vessels of war, a little less than $5,000 per gun: making an average cost of vessels of war to be _more than six thousand dollars per gun._ And the expense of repairs for these vessels is _more than seven per cent.

per annum_ on their first cost.
We have as yet had but little experience in the use of war-steamers.

The Fulton, four guns, built in 1838-'39, cost three hundred and thirty-three thousand seven hundred and seventy dollars and seventy-seven cents; the Mississippi and Missouri, ten guns each, built in 1841, cost about six hundred thousand dollars a piece; making an average cost for war-steamers of _over sixty thousand dollars per gun._ The cost of repairs of steam ships will be much greater than those for vessels of war; but we have not yet had sufficient experience to determine the exact amount.

It has been estimated, however, by competent judges, that when kept, the expense of repairs will at least equal twelve per cent.