HISTORY OF MARINE ARCHITECTURE.
153
Strait oak timberCompass dittoElm dittoFir dittoKnees-squareRaking
Thick stuff of 11 inches
Ditto of 10
Ditto of 9
Ditto of 8
Ditto of 71-
Ditto of 7
Ditto of
Ditto of 6
Ditto of 5f
Ditto of 5
English oak of 4
Ditto of 3
Ditto of ‘Jj-
Ditto of 2
Dantzic Ditto of 4
Ditto of 3
Elm ditto of 4
Ditto of 3
Loads.
Feet.
- 987
14
-
784
45
42
17
-
139
18
-
67
13
- 70
12
-
3
4
-
30
9
-
70
2
-
- 90
12:
3
14
-
75
16
-
8
13
- 104
9
-
2
3
- 60
t
4
-
139
2
-
38
14
- 3
9
-
2
17
-
129
3
-
. 7
2
6
15
-
1
17
Total
2864
34
The larger vessels of the fourth rate, mounting 60 guns each, appear next insuccession ; they were originally considered as perfectly intitled to the rank ofships of the line, but became, on the enlargement of ideas, gradually dismissedfrom a consequential serv ice, and were rarely employed, after the new systemhad gained a permanent footing, in any other station than as convoys, except incases of the greatest emergency. At the conclusion, however, of the war withFrance and Spain, in 1748, owing to the great extension of the Britifh com-merce, this class was more numerous, perhaps, than any other in the royal-
navy