204 OPERATIONS OF FUEL-TESTING PLANT IN 1905. 
CHEMICAL ANALYSES. 
Laboratory number 
Air-drying loss 
Mine samples. 
« [Moisture 
g I Volatile matter 
g ] Fixed carbon 
HljAsh 
(Sulphur 
Hydrogen 
Carbon 
Nil rogen 
Oxygen 
Calorific value determined: 
Calories 
Bril ish thermal unit s. 
2. 30 
3. 53 
29.36 
64. 77 
2.34 
. 92 
b 1870 
1.80 
2. 96 
30.23 
59. 37 
7. 44 
1.04 
7,762 
13,972 
2178 
3. 20 
4.11 
29.08 
59. 36 
7. 45 
.80 
a bower bench. 
Test 178, West Virginia N< 
6 Middle bench. 
STEAMING TESTS. 
Car 
sample. 
2004 
3.10 
5.09 
29.07 
62. 57 
3.27 
1.03 
5. 33 
78. 23 
1.51 
10.63 
7,839 
14,110 
Size as shipped, run of mine. Size as used, over 
1 inch. 26.8 percent; ! inch to l inch, 14.5 per cent; 
i inch to \ inch. In. 7 per cent; under ', inch, 12 
pel' cent. Duration of test, \o hours. Kind of 
grate, plain. 
Teal I HI. West Virginia No. 14. 
Size as shipped, run of mine. Size as used, OVei 
I inch, 23.1 percent; \ inch to 1 inch, 15.5 per cent ; 
1 inch to \ inch. 16.4 per cent; under I inch, 45 
per cent . Durat ion of test , 7.60 hours. Kind of 
grate, plain. Limestone spread over grate at 
start. 
MISCELLANEOUS [TEMS. 
Heating value of coal B. T. U. per pound dry coal. 
Force of draft : 
Under stack damper inch water. 
Above fire do... 
Furnace temperature °F. 
Dry coal used per square foot of grate surface per hour pounds. 
Equivalent water evaporated per square fool of water-heating surface per hour, 
pounds 
Percentage of rated horsepower of boiler developed 
Water apparently evaporated per pound of Coal as fired pounds. 
Water evaporated from and at 212°F.: 
Per pound of coal as fired do. . . 
Per pound of dry coal do. 
Per pound of combustible do. . . 
Efficiency of boiler, including grate per cent . 
Coal as fired: 
Per indicated horsepower hour pounds. 
Per electrical horsepower hour do. .. 
Dry coal: 
Per indicated horsepower hour do. 
Per electrical horsepower hour'. do. 
Test 178. 
15 (its 
Test 181. 
15,003 
0.42 
(1. 50 
.10 
. 13 
2.337 
2,450 
i l 38 
19.31 
3. 02 
3. 70 
84. G 
103.8 
8.80 
7.84 
10.22 
!U1 
10. 52 
... 00 
10.88 
10. 14 
67. 51 
01.79 
2.77 
3.10 
3.41 
3.83 
2.09 
2.95 
3.32 
3. 04 
