216 
OPERATIONS OF FUEL-TESTING PLANT IN 1905. 
WEST VIRGINIA NO. 19. 
Bituminous coal from McDonald mine, White Oak Coal Company, McDonald, Fayette 
County, W. Va., on the Chesapeake and Ohio Railway. 
This sample consisted of run-of-mine coal and was loaded under the supervision of 
Inspector J. W. Groves. It was used in making coking tests Nos. 79 and 83 and steaming 
tests Nos. 285 and 289. 
Two mine samples were taken from this mine for chemical analysis, as follows: No. 2359 
from room 11 off the eighteenth left entry, 7,720 feet from the drift mouth; No. 2360 
from room 16 on the sixteenth right entry, 7,600 feet southwest of the drift mouth. 
CHEMICAL ANALYSES. 
Laboratory number. 
Air-drying loss 
Moisture 
Volatile matter. 
Fixed carl xm. .. 
JAsh 
[Sulphur 
Hydrogen 
Carbon 
Nitrogen 
Oxygen 
Calorific value determined: 
Calories 
British thermal units. . 
Mine samples. 
2359 
2. 50 
3.26 
21.57 
72.71 
2. 46 
.78 
8,207 
14,773 
2360 
2.80 
3.51 
21.11 
72. 83 
2.55 
.53 
Car 
sample. 
2549 
2. 30 
2. 96 
22. 74 
69. 29 
5. 01 
.89 
4.81 
81.64 
1.57 
8,014 
14,425 
- 
STEAMING TESTS. 
Test 285, West Virginia No. 19. 
Size as shipped, run of mine. Size as used, over 
1 inch, 14.8 per cent; % inch to 1 inch, ll.G per cent; 
I inch to J inch, 15.3 percent; under \ inch, 58.3 per 
cent. Duration of test, 9.97 hours. Kind of 
grate, rocking. 
Test 289, West Virginia No. 10. 
Size as shipped, run of mine. Size as used, over 
1 inch, 13.4 per cent; J inch to 1 inch, 11.7 per cent; 
J inch to \ inch, 16.2 percent; under \ inch, 58.7 per 
cent. Duration of test, 8 hours. Kind of grate, 
plain. 
MISCELLANE< >US ITEMS. 
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 foot 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 
Test 285. 
14,618 
Test 
14,571 
0. 45 
0. 56 
.22 
.12 
2,419 
2,065 
15. 55 
13.86 
2.92 
2.84 
81.8 
79.6 
8. 53 
8.25 
10.20 
9.94 
10. 45 
10.26 
11.48 
11.45 
69.04 
68.00 
