1816.) On the Stability of Vessels. 208 
be | «(10o | 15? | 20° | 25° | 30° | Angles of inclination. 
Exper. 1.—Centre of Gravity, 2°25 inches. 
7116 6°825 6601 6°445 6°356 6°333 | Metacentre. 
72-89 | 196°55 | 193°58 | 246°61 | 298-23 | 350-94 | Momentum, 
Exper. 2.—Centre of Gravity, 3 inches. 
61°66 | 11417 | 160-22 | 202°51 | 243°75 | 286-48 [ Momentum. 
Exper. 3.—Centre of Gravity, 4°50 inches. 
39°19 | 69°40 | 93°48 | 11433 | 134-79 | 157-57 [sMomentum. 
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Experiments with model 19. The sides incline inwards 45°. 
Length, 12 inches. Breadth, 9 inches. Total depth, 74 inches, 
Immersion, 44 inches. Weight of water displaced, 139°77 oz. 
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5° | «(102 f 15° | 20° | 5° | 30° | Angles of inclination, 
Exper. !.—Centre of Grayity, 2°25 inches. 
5249 5-009 4-850 A765 4-752 | Metacentre, 
T1257 99°80 | 124°31 | 148°54 | 17485 | Momentum, 
Exper. 2.—Centre of Gravity, 3 inches. 
90:99 | 54°36 | 72°66 | 88-45 | 101-24 | 12243 | Momentum. 
5544 
40°13 
Exper, 3.—Centre of Gravity, 4°50 inches. 
12°72 | 17:96 | 18°40 | overset at 16° | Momentum. 
Metacentre by M. Bouguer’s theorem, 6 inches. 
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Experiments with triangular prism. (See model 20.) Length, 
12 inches. Breadth, 9 inches. Total depth, 12 inches. Immer- 
sion, 9inches. Weight of water displaced, 279°53 oz. 
ne 
5° | 10° «| (15? | 20° | 25° | 30° | Angles of inclination, 
Exper. 1.—Centre of Gravity, 5°75 iuches, 
1216 7216 7°216 7216 T'216 7°216 | Metacentre, 
95°12 | 7117 | 106-32 | 140718 | 173-21 | 204-93 | Momentum. 
Exper. 2.—Centre of Gravity, 6 inches, 
29°03 | 59:03 | 87-99 | 11628 | 143°68 | 169:98 | Mementum. 
Exper. 3.—Centre of Gravity, 6°25 inches. 
23°54 | 46:90 | 69°90 | 92°37 | 114-14 | 135-04 | Momentum. 
Experiments with parabolic prism. (See model 21.) Length, 
12 inches. Breadth, 9 inches. Total depth, 74 inches, Immer- 
sion, 44. inches. Weight of water displaced, 186735 oz, 
o 2 
