INDEX. 
47 
New Mexico lignites— Continued. Page. 
specific gravity of 23 
sulphur in 23 
No. 3, ash in 23 
moisture in 9,11 
specific gravity of 23 
sulphur in 23 
No. 3 A, moisture in 9 
No. 3 B, moisture in 9,11 
No. 4, moisture in 11 
specific gravity of , 23 
sulphur in 23 
No. 4 A, ash in 23 
moisture in 9,11 
No. 4 B, moisture in 9 
No. 5, ash in 23 
moisture in 9,11 
specific gravity of 23 
sulphur in 23 
North Dakota lignite, ash in 22,23,41 
carbon in 41 
moisture in 21 , 22, 41 
specific gravity of 23 
sulphur in 23,41 
volatile matter in 41 
No. 1 B, ash in 23 
specific gravity of 23 
sulphur in 23 
No. 3, ash in 22, 23 
moisture in 21,22 
specific gravity of v . . 23 
sulphur in 22, 23 
Ohio coal, ash in 6, 22, 23, 33 
moisture in 11,21,22 
specific gravity of 23 
sulphur in 22, 23, 33 
washing tests of 33 
No. 1, ash of 23,33 
moisture in 11 
specific gravity of 23 
sulphur in 23, 33 
washing tests of 33 
No. 2, ash in 23 
moisture in 11 
specific gravity of 23 
sulphur in 23 
No. 3, ash in '.. 23 
moisture in 11 
specific gravity of 23 
sulphur in 23 
No. 4, ash in 23 
moisture in 11 
specific gravity of 23 
sulphur in 23 
No. 5, ash in 22,23,33 
moisture in 11,21,22 
specific gravity of 23 
sulphur in 22, 23, 33 
washing tests of 33 
No. 6 A, ash in 23 
specific gravity of 23 
sulphur in 23 
No. 6 B, ash in 23 
specific gravity of 23 
sulphur in 23 
No. 7, ash in 23 
specific gravity of 23 
sulphur in 23 
Ohio coal— Continued. Page. 
No. 8 A, ash in 23 
specific gravity of 23 
sulphur in 23 
No. 9 A, ash in 23 
moisture in n 
specific gravity of 23 
sulphur in 23 
No. 9 B, ash in 23 
moisture in n 
specific gravity of 23 
sulphur in 23 
Pails, metal, loss of moisture in 6-7 
Pennsylvania coal, ash in 23,25,33,34,41,42 
carbon in 41,42 
moisture in 6, 11, 41, 42 
specific gravity of 23, 24, 25 
sulphur in 23, 24, 25, 33, 41, 42 
volatile matter in 41 , 42, 43 
washing tests of 33, 34 
No. 4, ash in 23 
specific gravity of 23 
sulphur in 23 
No. 5 A, ash in 23 
moisture in 11 
specific gravity of 23 
sulphur in 23 
No. 5 B,ash in 23 
moisture in 11 
specific gravity of 23 
sulphur in 23 
No. 6, ash in 23, 25 
specific gravity of 23, 25 
sulphur in 23, 25 
No.7A,ash in 23,33 
specific gravity of 23 
sulphur in 23, 33 
washing tests of 33 
No. 7 B, ash in 23,33 
specific gravity of 23 
sulphur in 23, 33 
washing tests of 33 
No. 8, ash in 23, 33 
moisture in 11 
specific gravity of 23 
sulphur in 23, 33 
washing tests of 33 
No. 9, ash in 23 
moisture in 6-7 
No. 10, ash in 24, 34 
specific gravity of 24 
sulphur in 24, 34 
washing tests of 34 
Powdering, effect of, on persistency of 
moisture 19-23 
effect of, on volatile-matter determina- 
tion 40-41 
Refuse from washing, ash in 36 
sulphur in 36 
Samples, coal. See Coal samples. 
Sampling, loss of moisture during 7 
Specific gravity, determinations of 23-28 
relation of, to impurities 24-28 
Sulphur, determination of 6,23-28 
determination of, check on 6 
Tennessee coal, ash in 24, 34 
moisture in 11 
specific gravity of 24 
