80 
OPERATIONS OF FUEL-TESTING PLANT IN 1905. 
CHEMICAL ANALYSES. 
Mine samples. 
Car 
sample. 
La 
\ i 
1704 
10.80 
13.89 
33.96 
40. 89 
11.26 
3. 83 
1705 
11.20 
14. 45 
34.79 
40. 10 
11). (i(i 
3. 46 
1740 
S. 00 
6 
11'. 77 
= 
■a 
34. 08 
40. 77 
: 
0-i 
[Ash 
11.78 
4. 1(1 
03 
5. 49 
- 
Carbon 
58. 74 
1 . 09 
_ 
18.74 
Ga 
5, 909 
10,636 
5, 97| 
10,757 
a This sample was furnished by the Ulinois Central Railroad. 
STEAMING TESTS. 
Test 183, Illinois No. 14. 
Size as shipped, lump. Size as used, over 1 
inch, 23.3 per cent; A inch to 1 inch, 27.9 per cent ; 
\ inch to \ inch, 19.6 per cent: under \ inch. 29.2 
percent. Duration of test, 9.95 hours. Kind of 
grate, rocking. 
Test 125, Illinois No. 14. 
Size as shipped, lump. Size us used, over 1 
inch, 30.4 per cent ; \ inch to 1 inch, 25.2 per cenl . 
J inch to 
per cent. 
j inch, I7.7 per cent ; under \ inch, 
Duration of lest, 9.87 hours. Kim 
2(1.7 
1 of 
grate, plain. 
IVst 
30, Illinois No. II, 
lied 
Size as shipped, lump, size as used, ov« 
inch, 21.4 per cent; ' inch to I inch, 27.7 per & 
\ inch to \ inch, 25 per cent; under J inch, 
percent. Duration of test, 9.92 hours. Kin 
grati , plain. 
I of 
MISCELLANEOUS ITEMS. 
Heating value of coal B. T. U. per pound dry coal 
Force of draft: 
Under stack damper inrli water. . 
Above fire , d,, 
Furnace temperatu re <>p_ 
Dry coal used per square foot of grate surface per hour pounds. . 
Equivalent water evaporated per square fool 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 ,1,, 
Per pound of dry coal ,1,, 
Per pound of combustible do 
Efficiency of boiler, including grate per C en1 
Coal as fired: 
Per indicated horsepower hour pounds. . 
Per elect rical horsepower hour. do 
Dry coal: 
Per indicated horsepower hour do 
Per electrical horsepower hour do 
Tesl 123. 
Test 125. 
12,008 
12,125 
0. 60 
0. 57 
.28 
.20 
2:',. <;n 
20. 30 
3. 10 
3. OS 
87.0 
86.2 
5.57 
5. 70 
6. 4!i 
(1. (12 
7 34 
7. 58 
8. 99 
9.05 
59.03 
CO. 37 
4. 36 
4.27 
5. 38 
5.27 
3.85 
3. 73 
4.76 
4.61 
Test. 130 
0.52 
.14 
21.63 
3. 33 
93. 3 
(1.49 
7.71 
8. 86 
58. 48 
3. 67 
4.53 
