TESTS KKNTI'CKV 
128 
COKING TESTS. 
Tost 7fi, Kentucky No 
B. 
Size as shipped, : ; inch to 3 inches. Size as used, 
tjiely crushed. Raw. Duration of test, 51 hours. 
3oal charged pounds. . 12,000 
'oke produced do 8,026 
Jreeze produced do . . . 257 
Joke produced per cent . . 66. 88 
|reeze produced do 2. 14 
Total percentage yield 69. 02 
Remarks. — Fine-Angered coke. Light gray, sil- 
ery, somewhat brittle. High yield due to depos- 
ed ca rbon. 
Tost 71, Kentucky No. I ( . 
Size as shipped, 1 1 in< Size as used, 
finely crushed. Raw. Duration of test, 64hours. 
tiarged pounds.. 12,000 
Coke produced do 7,319 
Breeze produced do. 
Coke produced per cent. . 
Breeze produced do 
60.99 
2. 96 
Total percentage yield 63.95 
Remarks. -Light gray, with some little depos- 
rbon. Good coke. Washing would prob- 
ably reduce ash and improve quality of coke. 
AN \I.YSKS. 
Test 76. 
Test 71. 
Coal. 
Coke. 
Coal. 
Coke. 
3. 55 
35. 49 
55. 88 
5. 08 
1.17 
0. 93 
1 . 25 
91.40 
6. 12 
1.05 
5.64 
32.41 
52. 77 
9. 18 
1.11 
1 3° 
1 53 
M 68 
sh 
12 47 
96 
KENTUCKY NO. 5. 
Bituminous coal from Gilliam's Rockhouse prospect, [nterstate Investment Company, 
n Big Black Mountain, Harlan County, Ivy., If) miles from flic Louisville and Nashville 
ailroad. 
This was a sample of run-of-mine coal that was mined from a small prospect hole on 
le outcrop and hauled in wagons to the railroad under the supervision of Inspector J. S. 
urrows. The following tests were made on this sample: Coking test No. 75, steaming 
>,sts nos. 276 and 277, and producer-gas test No. Si. 
Three samples for chemical analysis were obtained by the inspector from this deposit of 
>al, which is locally known as the "High Splint bed," as follows: No. 2271 was taken from 
prospect hole 1 mile south of Gilliam's Rockhouse; No. 2272 from the face of Gilliam's 
ockhouse prospect hole, 25 feet from the outcrop; and No. 2270 was selected from a 
uantity of weathered coal lying in the ravine below the point from which No. 2271 was 
ken. 
CHEMICAL ANALYSES. 
Mine samples. 
Car 
sample. 
aboratory number 
2271 
2. 10 
4.45 
36. 27 
56.05 
3. 23 
.54 
2272 
2. 50 
4. 72 
35.74 
57. 06 
2. 48 
.54 
227(1 
2.2D 
4. 32 
36.04 
57. 36 
2. 28 
.48 
2528 
ir-drying loss 
2.80 
[Moisture 
4. 36 
Volatile matter 
3.-.. 02 
j Fixed carbon 
56.92 
j fAsh 
3 70 
:! f 1 Sulphur 
.67 
Hydrogen . . 
5. 16 
I'il Carbon 
77. 11 
1 Nitrogen 
1.57 
Oxygen 
1 1 . 46 
.Uorific value determined: 
Calories 
7, 845 
14,121 
7, 735 
i British thermal units 
13,923 
