TESTS KENTUCKY. 
CHEMICAL ANALYSES. 
1 2 \ 
-Mine samples. 
La 
Ai 
~. 
B 
X 
o 
iboratory number 
2350 
1.50 
3. 42 
35.90 
57.50 
:;. 18 
1 . 53 
2351 
1.20 
3.25 
36.08 
.".7. 74 
2.93 
.91 
[Ash 
03 
Carbon 
2 
P 
Ca 
lorific value determined: 
("a lories 
7,986 
14,375 
Car 
sa mple. 
2445 
3. 70 
5.21 
;;;;. 17 
53. 10 
I. 12 
5. 28 
',3.08 
1.67 
7,341 
13,214 
STEAMING TESTS. 
Test 255, Kentucky No. 1 V. 
Size as shipped, 1',-inch slack. Size as used, 
over 1 inch, 21.1 percent; h inch to 1 inch. 26 7 per 
ecnl ; j inch to \ inch, 20.0 per cenl under \ inch, 
32.2 per cent. Duration of test, 8. 13 hours. Kind 
of grate, plain. 
Test 2C>'.1, Kentiu ky No. I C. 
Size as shipped, lj-iuch slack. Size as used, 
over 1 inch, 18.4 percent; § inch to 1 inch, 22.2 per 
cent; 1 inch to \ inch, 21.2 percent; under { inch 
38.2 per cent. Duration of tesl . 9.98 hours. Kind 
of .urate, rocking 
Test 265, Kentucky No. 1 €. 
Size as shipped, ij-inch slack, size as used, 
over 1 inch 35.8 percent; \ inch to 1 inch, 24.4 per 
cent: \ inch to \ inch, 17.0 percent; under \ inch, 
22. S percent. 1 Miration of lest . 6.83 hours. Kind 
of .mate, plain. 
MISCELLANEOUS ITK.MS. 
Heating value of coal B. T. U. per pound dry coal. 
Force of draft: 
Under stack damper inch water. . 
Above fire do 
Furnace temperature ° F. . 
Dry coal used per square foot of grate surface per hour pounds. . 
Equivalent water evaporated per square foot of water-heating surface 
per hour. 
.pounds. 
. pounds. 
Percentage of rated horsepower of boiler developed. . 
Water apparently evaporated per pound of coal as fired 
Water evaporated from and at 212° F.: 
Per pound of coal as fired do. .. 
Per pound of dry coal do. . . 
Per pound of combustible - do. 
Efficiency of boiler, including grate per cenl 
!oal as fired: 
Per indicated horsepower hour pounds. 
Per electrical horsepower hour do.. . 
brycoal: * 
Per indicated horsepower hour do... 
Per electrical horsepower hour do... 
Test 255. 
0.44 
.12 
17.73 
3.30 
92. 7 
7. 53 
8.94 
9. 34 
10.08 
62.58 
3. 16 
3.91 
3.03 
3.74 
Test 263. 
14,272 
0.47 
. 23 
16.02 
2. 82 
78.9 
7. 82 
9.38 
9. 81 
10.83 
66. 38 
.1.01 
3. 72 
2. 88 
3. 56 
Test 26, 
14,245 
0.46 
.13 
2,118 
14.43 
2. 70 
77.2 
7.74 
9.18 
9. 57 
10.44 
64.88 
3.08 
3.80 
2.05 
3.05 
