142 * OPERATIONS OF FUEL-TESTING PLANT IN 1905. 
COKING TEST. 
Test 24, Ohio No. 1, washed. 
Size as shipped, run of mine. Size as used, finely crushed. Duration of test, 48 hours. 
Coal charged pounds.. 10,000 
Coke produced do 5,708 
Breeze produced do 5. 89 
Coke produced per cent. . 57. 08 
Breeze produced do 5. 89 
Total percentage yield 62. 97 
Remarks.— Light gray and silvery. Fingered coke. High ash and sulphur. 
ANALYSES. 
Test 24. 
Coal. 
Coke. 
8.67 
38. 81 
44. 02 
8. 50 
3. 70 
1 . 30 
l.!)5 
S2.98 
Ash 
L'5.77 
3.30 
01110 no. 2. 
Bituminous coal from mine No. 10. Superior Coal Company, miles southeast of Wellston] 
Jackson County, Ohio, on the Baltimore and Ohio Railroad. 
This sample consisted of run-of-mine coal from bed No. 5, both No. 1 and No. 5 scams 
being worked in this mine. a The sample was shipped under the supervision of Inspectol 
W. J. Von Borries, and was used in making washing test No. 121 , coking test No. 27, steam- 
ing test No. 193, and steaming test on washed coal No. 197. 
Two mine samples were taken in this mine for chemical analysis. No. 1898 was cut 
from room 5, off the second right entry on the south side of the mine, 800 feet southwest of the 
opening on No. 5 seam. No. 1899 was taken in room 7, off the fourth right entry on the north 
side of the mine, 800 feet northeast of the opening on seam No. 5. 
CHEMICAL ANALYSES. 
Mine samples. 
Car 
s;in:]>Ie. 
Laboratory number. 
Air-drying loss 
I Moisture 
Volatile matter. 
[Fixed carbon. .. 
[lAsh 
I Sulphur 
Hydrogen 
Carbon 
9 38 
36. 74 
46 26 
7.62 
4.08 
Nitrogen 
Oxygen 
lorific value determined: 
Calories 
British thermal units. 
6,610 
11,898 
8.95 
37.82 
43. 89 
9.34 
4.41 
210! 
3. 6( 
9.0 
35. 8 
43. 8 
11.3 
4.0 
62. 7 I 
,':;: 
6,3 5 
1 1 , 4' i 
"For tests of No. 4 coal, see Ohio No. 1 (p. 140). 
