42 REPORT OF COMMISSIONER OF FISH AND FISHERIES. [40] 



Mean point of steam cut-off from commencement of stroke 



of piston in inches 10. 89 



Mean number of holes of '• throttle" valve open 2. 47 



Mean vacuum in condenser, in inches of mercury. - 23. 51 



Mean steam pressure in boilers, while engines were in oper- 

 ation 26.25 



Mean temperature of engine-room 88. 8 



Mean temperature on deck 58. 4 



Mean temperature of injection water 60. 38 



Mean temperature of discharge water 85. 52 



Mean temperature of feed water 86. 7 



Total time fires were lighted, in hours and minutes 2, 333. 45 



Total time engines were in operation, in hours and min- 

 utes 437.04 



Total time engines were in operation, in hours and minutes 



while dredging 100. 15 



Total number of revolutions, port engine 1, 772, 970 



Total number of revolutions starboard engine 1, 394, 190 



Mean number of revolutions per minute en route 84. 15 



Mean piston speed, in feed, per minute 378. 68 



Total number of knots run 2, 825 



Mean number of knots run per hour , 6. 56 



Mean number of knots per hour en route 9. 02 



Tons of coal consumed for engineer department 239^''^o- 



Tons of coal consumed while engines were in operation . . 125iff§ 



Tons of coal consumed for galley ^¥hi^ 



Tons of refuse 51^||§ 



Mean number of pounds of coal consumed per hour while 



engines were in operation 657. 95 



Mean number of pounds consumed per square foot of 



grate 14. 1 



Total number of gallons of oil consumed 149. 75 



Total number of pounds of tallow consumed 121 



Total number of pounds of wiping stuff consumed 117. 75 



Mean draught forward, in feet and inches T 1^" 



Mean draught aft, in feet and inches 7' 4" 



Number of screws 2 



Kind of. True. 



Mean pitch, in feet and inches 12' 3" 



Diameter of screws, in feet and inches 6' 8" 



Length of screws, in feet and inches, parallel to axis 20" 



iSTumber of blades 4 



Mean indicated horse-power 186. 7 



Maximum indicated horsepower 222. 92 



Mean number of pounds of coal per horse-power 3. 32 



Maximum number of pounds of coal per horse-power.. 3.9 



