TESTS VIRGINIA. 
193 
ANALYSKS. 
Test 134. 
Raw coal. 
Washed 
coal. 
3.35 
35. 13 
55. 94 
5.58 
.92 
6.39 
olatile matter 
ixed carbon 
sh 
3 95 
llphur 
.88 
COKING TESTS. 
Test 63, Virginia No. 2. 
Size as shipped, run of mine. Size as used, finely 
ushed. Raw. Duration of test, 51 hours. 
>al charged pounds. . 12,000 
)ke produced do 7,518 
reeze produced do 291 
)ke produced per cent. . 62. 65 
reeze produced do 2. 43 
Total percentage yield 65. 08 
Remarks.— Light gray and silvery. Good foun- 
•y coke. Large draft, giving more intense heat, 
ould probably give better coke. Used small 
•aft at first to hold charge as long as possible. 
Test 69, Virginia No. 2. 
Size as shipped, run of mine. Size as used, not 
ashed. Raw. Duration of test, 48 hours. 
al charged pounds. . 12,000 
ke produced do 7,314 
reeze produced do 433 
ke produced. . 
seze produced 
per cent. . 
....do..., 
Total percentage yield 
60.95 
3.61 
64.56 
Test 69, Virginia No. 2- Continued. 
Remarks.— Light gray and silvery. Good heavy 
coke. Breeze content large, due to not grinding 
coal. Not as good as coke from ground charge. 
High yield due to deposited carbon. 
Test 70, Virginia No. 2, washed. 
Size as shipped, run of mine. Size as used, 
finely crushed. Duration of est, 40 hours. 
Coal charged pounds. . 10,000 
Coke produced do 6,096 
Breeze produced do 294 
Coke produced per cent. . 60. 96 
Breeze produced do 2. 94 
Total percentage yield 63. 90 
Remarks.— Light gray and silvery. Good hard 
coke. Washing does not improve coke enough to 
warrant the expense. High yield due to depos- 
ited carbon. 
ANALYSKS. 
ftisture 
\ atile matti 
led carbon. 
A \ 
Sphur 
Test 63. 
Coal. 
3.88 
34.11 
57.01 
5.00 
1.02 
Coke. 
0.25 
1.08 
91.25 
7.42 
.68 
Test 
Coal. 
3.86 
34.13 
56.39 
5.62 
.79 
Coke. 
0.69 
.93 
90. 33 
8.05 
.65 
Test 70. 
Coal. 
5.96 
34.17 
56.03 
3.84 
.91 
Coke. 
0.45 
1.23 
92. 25 
6. 07 
VIRGINIA NO. 3. 
bituminous coal from Coburn mine, Virginia Iron, Coal and Coke Company, Toms Creek, 
Vse County, Va., on the Norfolk and Western Railway. 
'his sample, which was loaded under the supervision of Inspector W. J. Von Borries, 
ccsisted of lump coal (over S^-inch bar screen). It was used in making coking tests 
N;. 61 and 88, steaming tests Nos. 280 and 283, and producer-gas test No. 75. 
two mine samples were taken for chemical analysis. No. 2281 is from the seventeenth 
©a| heading, 3,000 feet northeast of the drift mouth; No. 2282 is from room 3 off the 
el enth west heading, 2,000 feet northeast of the drift mouth. 
Bull. 290—06 13 
