TESTS ILLINOIS. 
79 
WASHING TEST. 
Test 107, Illinois No. 13. 
Size as shipped, H inch to 6 inch. egg. Size as used, crushed to 2 inches. Jigused, Stewarl modified. 
Raw coal pounds. . 29,950 
Washed coal do 27,550 
Refuse do 2, 400 
ANALYSES. 
Test 10 
Moisture 
Volatile matter 
Fixed carbon. . 
Ash 
Sulphur 
COKING TESTS. 
Test 2, Illinois No. 13, washed. 
Size as shipped, li-inch to 6-inch egg. Size as 
used, finely crushed. Duration of test, 65 hours. 
Coal charged pounds. . 10,000 
Coke produced do 1, 600 
Breeze produced do 718 
Coke produced per cent . . 46.00 
Breeze produced do 7.18 
Total percentage yield 53. 18 
Remarks.— Good hard coke. Washing im- 
proves product both in ash and sulphur. 
Tesl 3, Illinois No. 13. 
Size as shipped, H-ineh to 6-inch egg. Size as 
used, finely crushed. Raw. Duration of tesl . 65 
hours. 
Coal charged pounds. . 12,000 
Coke produced do. 
Breeze produced do. 
.per cent. 
....do... 
5,358 
1 , 327 
44.65 
11.06 
Coke produced 
Breeze produced 
Total percentage yield 55. 7 1 
Remarks.— Coke has dull appearance. Softer 
than coke from washed coal. Seasoned ovens 
would probably give better results. 
ANALYSES. 
Test 2. Test 3. 
Coal. 
Coke. : Coal. 
Coke. 
11.44 
1.60 
1.68 
82.08 
11.64 
1.27 
10. 56 
30.08 
49. 08 
10.28 
1.71 
2. 73 
Volatile matter 
30.95 
50. 16 
7. 45 
1.25 
1. 36 
79.30 
Ash 
16.61 
Sulphur 
J. 77 
ILLINOIS XO. 14." 
Bituminous coal from No. 2 mine, Capital Coal Company, easl side of Springfield, Sanga- 
mon County, 111., on the Illinois Central Railroad. 
This sample was shipped under the supervision of Inspector J. W. Groves and consisted 
of lump coal. In making lump coal at this mine it is passed over a l£-inch bar screen. 
The following tests were made on this coal: Washing test No. 105, steaming tests Nos. 
123 and 125, and steaming test on washed coal Xo. 130: also producer-gas test No. 37. 
Two mine samples were cut from widely separated points in the mine. No. 1/04 was 
taken from the face of room 30 off the twenty-first south entry, 1 mile southeast of the 
shaft; No. 1705 was taken in the sixteenth entry off the fourth "stub"' entry, 4,000 feet 
northeast of the shaft. 
