TESTS WEST VIRGINIA. 
CHEMICAL ANALYSES. 
211 
aboratory number. 
ir-drying loss 
'Moisture 
Volatile matter, 
prixed carbon . . 
if Ash 
(Sulphur 
Hydrogen 
Carbon 
Nitrogen 
Oxygen. , 
ilorific value determined: 
Calories 
British thermal units. 
Mine samples. 
2056 
2.30 
3. 22 
29. 54 
59.91 
7. 33 
1.73 
7,775 
13,995 
2057 
3.10 
4. 05 
28. 70 
61. 65 
5. CO 
1. 16 
Car 
sample. 
2332 
2. 50 
3. 46 
27. 29 
61. 13 
8.12 
1.45 
4. 68 
76.98 
1.37 
7.40 
7, 705 
13, 869 
STEAMING TESTS. 
Test 225, West Virginia No. 17. 
Size as shipped, run of mine. Size as used, over 
inch, 11 per cent; ^ inch to 1 inch, 11 per cent ; ', 
.ch to \ inch, 16.2 per cent; under \ inch, 61.8 per 
nt. Duration of test, 9.92 hours. Kind of 
ate, rocking. 
Test 226, West Virginia No. 17. 
Size as shipped, run of mine. Size as used, over 
nch, 16.5 per cent; \ inch to 1 inch, 14 per cenl . 
\ inch to \ inch, 15.3 percent; under \ inch, 54.2 per 
cent. Duration of test, 9.97 hours. Kind of 
grate, rocking. 
Test 230, West Virginia No. 17, washed. 
Size as shipped, run of mine. Size as used, over 
1 inch, 29.6 per cent; \ inch to 1 inch, 20.2 per cent; 
\ inch to \ inch, 15.7 per cent; under \ inch, 34.5 
percent. Duration of test, 10.07 hours. Kind of 
grate, rocking. 
M INCH LI. AN KOI S IT K.MS. 
ating value of coal B. T. U. per pound dry coal . 
rce of draft : 
Under stack damper inch water. . 
A.bove fire do 
mace temperature °F. . 
y coal used per square foot of grate surface per hour pounds. . 
Divalent water evaporated per square foot of water-heating surface 
)er hour • pounds. . 
rcentage of rated horsepower of boiler developed 
iter apparently evaporated per pound of coal as fired pounds. 
iter evaporated from and at 212 °F.: 
Per pound of coal as fired do 
Per pound of dry coal do 
Per pound of combusti ble do 
mciency of boiler, including grate per cent. . 
Ckl as fired: 
Per indicated horsepower hour pounds. . 
! Per electrical horsepower hour do 
I y coal: 
Per indicated horsepower hour do 
$> Per electrical horsepower hour do 
Test 225. Test 220. Test 230 
14,540 
2,392 
17.64 
3.17 
89.0 
8.03 
9. 61 
10. 05 
11.01 
66.29 
2.94 
3. 63 
2.81 
3. 47 
