TESTS ILLINOIS. 
67 
STEAMING TESTS. 
Test 107, Illinois No. 10. 
Size as shipped, slack. Size as used, over 1 inch, 
.9 per cent; \ inch to 1 inch, 23.1 per cent; \ inch to 
inch, 26.4 per cent; under \ inch, 47.6 per cent. 
)uration of test, 10.17 hours. Kind of grate, 
lain. 
Test 108, Illinois No. 10. 
Size as shipped, slack. Size as used, over 1 inch, 
.6 per cent; \ inch to 1 inch, 19.2 percent; \ inch 
o \ inch, 21.1 percent; under |inch, 52.1 percent. 
Juration of test, 10 hours. Kind of grate, plain. 
Test 109, Illinois No. 10. 
Size as shipped, slack. Size as used, over 1 inch, 
2.8 per cent; \ inch to 1 inch, 30.1 per cent; \ inch 
to J inch, 17.3 per cent; under \ inch, 29.8 per cent. 
Duration of test, 9.98 hours. Kind of grate , rock- 
ing. 
Test HO, Illinois No. 10. 
Size as shipped, slack. Size as used, over 1 inch, 
19.2 per cent; \ inch to 1 inch, 32.6 per cent; \ inch 
to J inch, 18.4 per cent; under \ inch, 29.8 percent. 
Duration of test, 9.95 hours. Kind of grate, rock- 
ing. 
Test 114, Illinois No. 10, washed. 
Size as shipped, slack. Size as used, over 1 inch, 
12.8 per cent; \ inch to 1 inch, 27.5 per cent; J inch 
to \ inch, 23.4 per cent; under \ inch, 36.3 per cent. 
Duration of test, 10.05 hours. Kind of grate, 
rocking. 
M I S( ' ELLA N KOI IS ITEMS. 
Test 107. 
Test 108. 
Test 109. 
Test 110. 
Test 114. 
[eating value of coal.B. T. U.per pound dry coal., 
'orce of draft: 
Under stack damper .inch water. . 
Above fire do 
urnacc temperature °F. . 
'ry coal used per square foot of grate surface per 
hour pounds . . 
quivalent water evaporated per square foot of 
water-heating surface per hour pounds. . 
ercentage of rated horsepower of boiler developed . 
/ater apparently evaporated per pound of coal as 
fired pounds.. 
'ater evaporated from and at 212° V.\a 
Per pound of coal as fired do 
Per pound of dry coal do 
Per pound of combustible do 
Ificiency of boiler, including grate per cent. . 
oal as fired: 
Per indicated horsepower hour pounds. . 
Per electrical horsepower hour do 
ry coal: 
Per indicated horsepower hour do 
Per electrical horsepower hour do 
12, 429 
0.59 
.32 
2,229 
21.00 
3.20 
89.9 
5.73 
6.76 
7.65 
9.17 
59. 44 
4.18 
5.16 
3.70 
4.56 
12,685 
0.42 
.21 
22.21 
3.13 
87.6 
6.39 
7.04 
8.28 
53.60 
4.43 
5.46 
4.02 
4. 96 
12,373 
0.51 
.29 
21.46 
2.96 
83.0 
6.90 
7.70 
9.52 
60.10 
4.10 
5. 06 
3.67 
4.53 
12,929 
0.45 
.26 
20.66 
2.48 
69.6 
6.08 
6.71 
8.05 
50. 12 
4. 65 
5.74 
4.21 
5.20 
13,545 
0.51 
.21 
3.52 
98.7 
6.07 
7.16 
8.11 
8.94 
57.82 
3.95 
4.88 
3.49 
4. 30 
<*A better evaporation would have been obtained if boilers and gas-sampling apparatus had been in 
;tter condition, as they were later. 
ANALYSES. 
Test 107. 
Test 108. 
Test 109. 
Test 110. 
Test 114. 
Proximate. 
oisture 
11.62 
30. 59 
44.93 
12.86 
9.29 
31. 24 
47.84 
11.63 
10.32 
30.01 
46.27 
13.40 
9.29 
32.54 
48.11 
10.06 
11.67 
olatiie matter. . 
32. 37 
ixed carbon 
49.87 
sh 
6.09 
ilphur 
100. 00 
1.45 
100.00 
1.44 
100.00 
1.46 
100.00 
1.40 
100.00 
1.22 
