74 
OPERATIONS OF FUEL-TESTING PLANT IN 1905. 
COKING TEST. 
Test 5, Illinois No. 11 D. 
Size as shipped, No. 3 washed. Size as used, finely crushed. Duration of test, 48 hours. 
Coal charged pounds . . 10, 000 
Coke produced do 5, 400 
Breeze produced do 300 
Coke produced percent.. 54.00 
Breeze produced do 3. 00 
Total percentage yield 57. 00 
Remarks. —Light-gray and silvery color. Good, strong coke Might be improved by washing, 
reducing ash. 
ANALYSES. 
Moisture 
Volatile matter 
Fixed carbon. . 
Ash 
Sulphur 
Test 5. 
Coal. 
Coke. 
8.24 
1. L9 
31.64 
.93 
52. 81 
85.97 
7.31 
11.91 
1. 55 
1.44 
ILLINOIS NO. 12. 
Bituminous coal from Bush No. 1 mine, Western Coal and Mining Company, Bush, 
Williamson County, 111., on the St. Louis, Iron Mountain and Southern Railway. 
This sample consisted of run-of-mine coal and was shipped under the supervision of 
Inspector J. W. Groves. The following tests were made: Washing test No. 106, steaming 
tests Nos. 127, 128, 131, 133, 136, and steaming test on washed coal No. 135. 
Two mine samples were taken from the following places in the mine: No. 1683 from 
room 10 off the first entry east, on the east side, 1,000 feet northeast of the shaft; No. 
1688 from the first north entry, 1,000 feet northwest of the shaft. 
CHEMICAL ANALYSES. 
Laboratory number. 
Air-drying loss 
= 
Moisture 
Volatile matter. 
Fixed carbon. .. 
(Ash 
[Sulphur 
Hydrogen 
Carbon 
~ Nitrogen 
[Oxygen 
Calorific value determined: 
Calories 
British thermal units. . 
Mine samples. 
1683 
5.20 
8.29 
31.19 
49.69 
10.83 
2.81 
6,576 
11,837 
8.41 
34. 27 
45.44 
11.88 
3.63 
Car 
sample. 
1762 
3. 60 
8.20 
32. 26 
46. 59 
12.95 
3. 48 
5. 09 
H2.52 
1.10 
14.86 
6,312 
11,362 
