TESTS INDIANA 
115 
INDIANA NO. LO. 
Bituminous coal from mine of Park County Coal Company, Rosedale, Park County, End., 
on the Vandalia Railroad. 
A sample of lump coal (over l|-inch diamond bar screen) was shipped under the super- 
vision of Inspector J. W. Groves and was used in making washing test No. 116, steaming 
test No. 167, and steaming test on washed coal No. 177. 
Of the two mine samples taken, No. 1853 is from the sixteenth south entry, 3,000 feet 
southeast of the shaft, and No. 1854 is from the eighteenth north entry, 3,000 feet northeast 
of the shaft. 
CHEMICAL ANALYSES. 
Mine samples. 
Car 
sample. 
Laboratory number 
1853 
8.60 
11.54 
39. 49 
39. 35 
9. 62 
4.41 
1854 
9. 60 
12.26 
38.62 
40. 80 
8. 32 
4.71 
1979 
X. 10 
q3 
Moisture 
10. 72 
OS 
£ 
39 '".i 
41.42 
c 
u 
[Ash 
8. •",? 
J 
3.83 
Hydrogen 
5. 86 
r. 
63. 48 
+3 
Nitrogen 
1.16 
U> 
17.10 
Ca 
lorific value determined: 
6, 475 
11,055 
0,5:57 
11,707 
STEAMING TESTS. 
Test 1«7, Indiana No. 10. 
Size as shipped, lump. Size as used, over 1 
inch, 27.5 per cent; h inch to 1 inch, 25. s per cent : 
\ inch to \ inch, 19.2 per cent; under \ inch, 27.5 per 
cent. Duration of test, 10.05 hours. Kind of 
grate, rocking. 
Test 1 
Indiana No. 10, washed. 
Size as shipped, lump. Size as used, ever 1 
inch, 20.1* per cent; \ inch to 1 inch, 33.6 per cent; 
\ inch to i inch, 24.6 per cent; under \ inch, 15.6 
per cent. Duration of test, 10 hours. Kind of 
grate, plain. 
M I S( ' KI.LAN K< )US ITEMS. 
Heating value of coal B. T. U. per pound dry coa I . . 
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 
Percentage of rated horsepower of boiler developed 
Water apparently evaporated per pound of coal as fired. . pounds. . 
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 cent. . 
Test 107. 
Test 177. 
12,866 
13,595 
0.00 
0. 45 
.is 
.09 
2,201 
2,473 
22. 85 
2:5.05 
:i 55 
3. 70 
99.4 
105.3 
6. 63 
0. 25 
7.74 
7.27 
8. 66 
8.17 
10. 01 
8.89 
05.00 
58.03 
