58 TlMEHRI. 
liberty given to test their canes and duty of mills as set 
forth in Table A. 
No. i was fired with megass from the mill carrying 
48"03 per cent, of combined moisture. In three hours 
6,237" 1 25 pounds of megass was burnt, evaporating 
H3'92i cubic feet of water into steam at an average 
pressure of 50 lbs. above atmosphere ; .'. \\%° lbs. feed 
water = 1.14 pounds feed water to one lb. of green 
megass and 1 i 4 hours cubic feet = 38 -s- 42 grate = g 
of a foot of feed water per square foot of grate, and 
49*5 pounds megass per a' grate per hour. 
No. 2 was fired with megass from the logie containing 
i8'86 of combined moisture. In three hours 4,25675 
pounds of megass were burnt, evaporating into steam, at 
an average pressure of 50 IBs. above atmosphere, io6'456 
cubic feet of water. 
• "• tHt = 1*56 feed water to 1 megass and 106 ■*• 3 = 
35*3 per hour .*. 25 furnace = 1*4 per foot grate of 
grate and 567 pounds megass per D ' of fire grate per 
hour, comparing the duty done, with the theoretical, 
proverbial □' foot of grate to cubic foot of feed water, 
both furnaces gave a fair amount of duty. It is at once 
apparent that in dealing with these samples of fuel it 
is necessary to provide 50 per cent, more fire grate 
than when firing with green megass. 
Analysis of Megass. 
Carbon. 
No. 1 Green Fibre 42'95 = 21*47 
Sugar 9*02 = 379 
Water 4803 
100 25*26 
