HISTORY OF MARINE ARCHITECTURE.

2S4

The annexed table will serve to point out, by reference back to the EighthChapter, the difference in the quantity of materials used in constructing a shipof war, from the lower class of third rates, being those mounting 64 guns, down-wards, between the establishment of 1745, and that of the present day.

Ships of

Timber.

Knees.

Total timber and knees.

64 guns

-

m

-

-

2920

150

3070

60

-

-

-

-

2640

140

2780

50

-

-

-

-

2270

130

2400

44

-

-

-

-

1790

110

1900

38

-

-

-

-

1640

90

1730

36

-

-

-

-

1300

82

1382

32

-

-

m

-

1100

74

1174

28

m

-

-

-

1000

70

1070

24

m

jm

-

-

986

65

850

20

-

-

-

-

543

50

590

Sloops of 340 tons

-

-

-

414

45

459

Ditto 300

-

-

354

40

394

Ditto 250

-

-

-

310

37

347

Ditto 200

-

-

-

290

35

325

Brigs 150

-

-

224

32

256

Bombs 300

-

-

-

460

50

510

Cutters 200

-

-

-

200

18

218

Ditto 180

-

-

-

180

16

196

Ditto 150

.

-

-

150

16

163

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