ON STEAMSHIP PERFORMANCE. 139 
analyzed by Professor Rankine’s method. 
H.M.S8. 
Vulcan pee a Victoriaand a eptune Colombo | Shannon 
(paddle), ' Albert paddle), (screw). | (paddle). 
(paddle). (paddle). ) 
168° 140° 155° 1980" : 2487° 3840° 
144° 160° F 300° ; 313° 330° 
a9" 14°75 ’ tee ; 54°7 
606° 
13°398 
2.92875 
0°0686 
0°0499 
1123 1'0715 1'0704. I'Io2 3 1'203 
3072" 2572" 2982" 13224° 3965" : 21716 
967° Ei. 1127" 
19960" 19034" 20500" 21143° 20500° . 19907° 
198° 203'5 151° 252°6 143° ee 224°6 
. A. and J. Inglis. 
