160 OPERATIONS OF FUEL-TESTING PLANT IN 1905. 
CHEMICAL ANALYSES. 
STEAMING TEST. 
Tesl iST, Ohio No. 8. 
Mine samples. 
Car 
sample. 
La 
Ai 
o5 
2119 
3. 80 
8.92 
38.58 
46. 65 
5.85 
3.00 
2120 
3.70 
8.87 
39.32 
47.81 
4.00 
1.74 
255 
4.5 
7.5 
38. 
46. 
8.3 
2.8 
5.4 
67. C 
1.2 
15.C 
6,72 
12, 12 
03 
5 
c 
J Ash 
+3 
03 1 
S 
P 
Ca 
lorific value determined: 
6, 849 
12, 328 
British thermal units 
Size as shipped, run of mine. Size as used, over 1 inch, 50.2 per cenl ; \ inch to 1 inch, 20.4 per cent; 
nch to \ inch, 11.8 per cent; under', inch, 17.6 percent. Duration of test, 10.03 hours. Kind of grate 
rocking. 
MISCELLANEOUS ITEMS. 
Beating 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 foot of water heat ing surface per hour do. . 
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 Tired 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 28? 
13, i: 
2, 5< i 
a,j 
3. I 
96.: 
(i.; | 
J 
9,1 
10. • 
