126 
OPERATIONS OF FUEL-TESTING PLANT IN L90£ 
KENTUCKY NO. 6. 
Bituminous coal furr.lched by Justus Collins, of ( harleston, W. Va., from Miller Crea 
country Waul;, 5 miles southeast of Paintsville, Johnson County, K\ ., 7 miles from tli 
Chesapeake and Ohio Railway. 
This sample consisted of run-of-mine coal, which was loaded in wagons and hauled t 
the railroad under the supervision of Inspector W. J. Von Borries. It was used in niakin 
coking tests Nos. 86 and 90, steaming tests N< s 270 and 271, and producer-gas test Xo.Si 
Two mine samples were taken from this country hank for chemical analysis. No. 24| 
was from the first right entry. 100 feet west of the drift mouth: No. '210(1 was taken on th 
main entry, 140 feet west of the drift mouth. 
CHEMICAL ANALYSES. 
Laboratory number. 
Air-drying loss 
Moisture 
Volatile iii.ii ter. 
Fixed carbon. . . 
[Ash 
[Sulphur 
Hydrogen 
Carbon 
Nitrogen 
Oxygen 
Calorific value determined: 
Calorics 
British thermal units. 
Mine .samples. 
2405 
4.50 
6.95 
35.03 
55 99 
! 03 
7,604 
13,687 
2406 
4.20 
6. 52 
34.42 
16.80 
2.26 
.45 
2.4 
,7 
I 
12 
; < 
13; 
STEAMING TESTS. 
Tesl '-'To. Kentucky No. (>. 
Size as shipped, run of mine. ed, over 
1 inch, 62.6 per cent, A inch to 1 inch. 16.5 per cent : 
I inch to \ inch, 9.4 per cent : under \ inch, 1 1.5 per 
cent. Duration of test, 10.02 hours. Kind of 
graii'. plain. 
Test 87 I, Kentucky No. <>. 
Size as shipped, run of mine. Size 
l inch. 62.2 per cenl \ inch to 1 inch, 14.1 per cei 
| inch t o \ inch, 7.6 per cent; under ', inch, 16.1 p 
cent. Duration of test, 10.02 hours. Kind 
grate, p 
MISCELLAN EOT S II EMS. 
Heating value of coal B. T. U. per pound di j coal 
Force ol draft : 
Under stack damper inch water. 
Above fire do. . 
Furnace temperal lire °F. 
I >r\ coat used per .square foot of grate surface per hour pounds. . 
Equivale irated per square foot oi water-heating surface per 
hour .pounds. 
Percentage of rated horsepower of boiler developed 
Water appa rently evaporated pi t pound of coal as fired pounds. 
Water evaporated irom and at 212° F.: 
Per pound fired do.. 
Pet pound oi dry coal do 
Per pound of combustible do 
Efficiency of boiler, including grate per cenl 
Test 270. 
1. st 27 
14,445 
U,5 
0. 37 
0. 
.08 
2,412 
2,4 
i. 03 
15. 
:;. 19 
3. 
89 I 
8! 
7.91 
7. 
9.50 
9. ' 
9.96 
9. ' 
10. 42 
10. 
66.59 
65. 
