48 
INDEX. 
Tennessee coal — Continued. Page. 
sulphur in 24, 34 
washing tests of 34 
No. 2, ash in 24 
specific gravity of 24 
sulphur in 24 
No. 3, ash in 24 
specific gravity of 24 
sulphur in 24 
No. 4, ash in 24 
specific gravity of 24 
sulphur in 24 
No. 6, ash in 24, 34 
moisture in 11 
specific gravity of 24 
sulphur in 24, 34 
washing tests of 34 
No. 7 A, ash in 24 
specific gravity of 24 
sulphur in 24 
No. 8 A, ash in 24 
moisture in 11 
specific gravity of 24 
sulphur in 24 
No. 8 B, moisture in 11 
No. 10, ash in 24 
specific gravity of 24 
sulphur in 24 
Texas lignite, ash in 7, 22, 24, 37, 41 
carbon in-. 37, 41 
moisture in 7, 11, 21, 22, 37, 41 
specific gravity of 24 
sulphur in 22, 24 
volatile matter in 36-37 
No. 3, ash in 24, 37 
carbon in 37 
moisture in 11, 37 
specific gravity of 24 
sulphur in 24,37 
volatile matter in 36-37 
No. 4, ash in 7, 22, 24 
moisture in 7, 11, 21, 22 
specific gravity of 24 
sulphur in 22, 24 
Utah No. 1, moisture in 11 
Virginia coal, ash in 24, 34 
moisture in 9, 11 
specific gravity of 24, 34 
sulphur in , 24, 34 
washing tests of 34 
No. 1, moisture in 9 
No. 1 A, ash in 24 
moisture in 11 
specific gravity of 24 
sulphur in 24 
No. 1 B, ash in 24 
specific gravity of 24 
sulphur in 24 
No. 2, ash in 34 
sulphur in 34 
washing tests of 34 
No. 2 B, ash in 24 
specific gravity of 24 
sulphur in 24 
No. 3, ash in 24 
specific gravity of 24 
sulphur in 24 
Virginia coal— Continued. Page. 
No. 4, ash in 24, 31 
moisture in 11 
specific gravity of 24 
sulphur in 24, 34 
washing tests of 34 
Volatile matter, determination of 36-43 
Volatilization, mechanical loss of 42 
Washing, laboratory tests of 28-36 
refuse from, ash in 36 
sulphur in 36 
Washington coals, ash in 24, 41 
carbon in " 41 
moisture in 9,11,41 
specific gravity of 24 
sulphur in 24, 41 
volatile matter in 41 
No. 1 A, moisture in 11 
No. 1 B, ash in 24 
moisture in 9,11 
specific gravity of 24 
sulphur in 24 
No. 2, ash in 24 
specific gravity of 24 
sulphur in 24 
Weight, gain or loss of 19-22 
West Virginia coal, ash in 22, 24, 25, 35 
moisture in 9, 10, 11, 20, 22 
specific gravity of 24, 25 
sulphur in 22, 24, 25, 35 
washing tests of 35 
No. 4 B, ash in 24 
moisture in 11 
specific gravity of 24 
sulphur in 24 
No. 13, ash in 22, 24, 35 
moisture in 11, 20, 22 
specific gravity of 24 
sulphur in 22, 24, 35 
washing tests of 35 
No. 14, ash in 24, 35 
moisture in 11 
specific gravity of 24 
sulphur in 24, 35 
washing tests of 35 
No. 15, ash in 24, 25 
specific gravity of 24, 25 
sulphur in 24, 25 
No. 16 A, ash in 24 
specific gravity of 24 
sulphur in 24 
No. 16 B, ash in 24 
moisture in 9 
specific gravity of 24 
sulphur in 24 
No. 17, ash in 24 
moisture in 9,11 
specific gravity of 24 
sulphur in 24 
No. 18, ash in 24,35 
moisture in 11 
specific gravity of 24 
sulphur in 24, 35 
washing tests of 35 
No. 19, moisture in 11 
No. 20, ash in 24 
moisture in 9 
