190 OPERATIONS OF FUEL-TESTING PLANT IN 1905. 
CHEMICAL ANALYSES. 
Mine samples. 
Car 
sample. 
Laboratory number. 
Air-drying loss 
a> (Moisture 
g Volatile matter 
g I Fixed carbon 
£UAsh 
(Sulphur 
+j= Hydrogen 
£ Carbon 
F Nitrogen 
(Oxygen 
Calorific value determined: 
Calories 
British thermal units. 
2248 
1.90 
3. 90 
34.08 
56. 96 
5. 06 
.90 
2249 
5.00 
0.80 
33. 01 
58.26 
1.93 
.08 
2476 
1.90 
3. 35 
35. 13 
55. 94 
5. 58 
.92 
5. 19 
77. 02 
1.42 
9.87 
7,740 
13,932 
STEAMING TESTS. 
Tesl '.'47, Virginia No. '!. 
Size as shipped, run of mine. Size as used, over 
1 inch, 49.6 per cent; i inch to! inch, 23 per cent; | 
inch to \ inch. 12.4 per cent; under \ inch, 15 per 
cent. Duration of test, 8 hours. Kind of grate, 
plain. 
Tesl 251, Virginia No. '-'. 
Size as shipped, run of mine. Size as used, over 
1 inch, 4-> per cenl . j inch to l inch 18 per cenl . | 
inch to \ inch. 13.4 per cent; under \ inch 23.6 per 
cent. Duration of test, 8 hours. Kind of grate, 
plain. 
Tesl 256, Virginia No. 2. 
Size as shipped, run of mine. Size as used, over 
1 inch, 28.9 percent. A inch to 1 inch, 18.9 per cent ; 
I inch to \ inch, 15 per cent, under \ inch 37.2 per 
cent. Duration of test, 8.43 hours. Kind of grate, 
rocking. 
Test i">.s, Virginia No. 'I. 
Size as shipped, run of mine. Size as used, over 
1 inch, :n.S per cent; \ inch to 1 inch, 19 per cent; 
1 inch to \ inch, 16.9 per cent; under \ inch, 32.3 
percent. Test run on an ordinary Frost fire tube 
boiler. Duration of test , 7 hours. Kindofgrate, 
rocking. 
Tesl i(><>, Virginia No. :j, washed. 
Size as shipped, run of mine. Size as used, over 
1 inch 49.5 per cent; i inch to 1 inch, 23.3 pea 
cent. \ inch to \ inch, 12.6 per cent; under | inch, 
14.6 per cent. Duration of test, 9.87 hours. Kind 
of grate, rocking. 
