208 
OPERATIONS OF FUEL-TESTING PLANT IN 1905. 
COKING TESTS. 
Test 36, "West Virginia No. 15. 
Size as shipped, run of mine. Size as used, 
finely crushed. Raw. Duration of test, 46 hours. 
Coal charged pounds 
Coke produced do. . 
Breeze produced do. . 
Coke produced per cent 
Breeze produced do. . 
Total percentage yield 
Remarks.— Light gray and 
10,000 
6,867 
267 
68.67 
2.76 
71.43 
Good, 
silvery 
heavy coke. High yield due to deposited car 
bon. Sulphur high. 
Test 43, West Virginia No. 15. 
Size as shipped, run of mine. Size as used, 
finely crushed. Raw. Duration of test, 73 hours. 
Coal charged pounds. . 12,000 
Coke produced do 8,404 
Breeze produced do 269 
Coke produced per cent. . 70. 03 
Breeze produced do 2. 24 
Total percentage yield 72.27 
Remarks. — Fine heavy coke. Silvery color. 
Breakage practically perfect; large pieces. Sul- 
phur high. High yield due to deposited carbon. 
ANALYSES. 
Test 30. 
Test 43. 
Coal. 
Coke. 
Coal. 
Coke. 
1.79 
37.90 
53. 00 
7.31 
2.73 
0. 45 
.78 
88.70 
10.07 
2.09 
2.33 
38.33 
51.72 
7.62 
2.72 
0.26 
Volatile matter 
1.89 
Fixed carbon 
Ash 
S7.30 
10.55 
Sulphur 
2.26 
WEST VIRGINIA NO. Hi. 
Bituminous coal from Monongha mine No. 6, Fairmont Coal Company, Monongha, 
Mai ion County, W. Ya., on the Baltimore and Ohio Railroad. 
Two samples of coal were shipped from this mine under the supervision of Inspector J. S. 
Burrows. West Virginia No. 16 A consisted of three-fourths inch lump coal over a three- 
fourths inch screen. It was used in making coking test No. 73 and producer-gas test Xo. 
86. West Virginia No. L6 B consisted of slack coal which had passed through a three-fourths 
inch screen. It was used in making washing test No. 128 and coking tests Nos. 45, 48, and 
49. 
Two mine samples were taken from this mine for chemical analysis as follows: No. 2041 
from room 2 on the third right entry, 5,000 feet southwest of the drift mouth; No. 2042 
from room 1 off the third left entry, 5,000 feet northwest of the drift mouth. 
CHEMICAL ANALYSES. 
Mine samples. 
Car 
sample. 
Laboratory number. 
Air-drying loss 
Moisture 
Volatile matter 
Fixed carbon 
JAsh 
[Sulphur 
Hydrogen 
Carbon 
Nitrogen 
Oxygen 
Calorific value determined: 
Calories 
British thermal units. 
2041 
1.30 
2.89 
34.54 
56.86 
5.71 
.09 
7,800 
14,540 
2042 
1.40 
2.68 
35.97 
55.78 
5.57 
1.06 
2264 
4.40 
5. 57 
31.61 
54. 45 
8.37 
1.20 
5.08 
72. 74 
1.46 
11. 15 
7.274 
13,093 
