16 WASHING, COKING, AND CUPOLA TESTS. 
Details of special washing tests, January 5 to February 15, 1907. 
6 
Date 
Float and sink tests with finer crushing. 
ft 
m 
Size- 
through 
Specific 
gravity 
Analysis of float (per cent) 
tc. 
Field No. of fuel. 
and 
duration 
Spe- 
cial 
Float 
Sink 
Ash. 
Sulphur. 
square 
hole 
of 
(per 
cent) . 
(per 
cent) . 
1 
of test. 
test 
No. 
solution 
De- 
Re- 
De- 
Re- 
d 
(inch) . 
used. 
ter- 
duc- 
ter- 
duc- 
£ 
mined. 
tion. 
mined. 
tion. 
Alabama: 
r i 
3 
i 
1.35 
81 
19 
2.18 
86 
0.81 
42 
195 
5 
Jan. 15. . 
I 
I 
1.40 
85 
15 
2.63 
84 
.98 
30 
3 
f 
1.45 
87 
13 
2.66 
84 
1.05 
25 
1 4 
1 
1.52 
87 
13 
3. 19 
80 
1.13 
19 
r i 
f 
1.36 
87 
13 
2.81 
59 
.54 
8.5 
a 192 
6 
/Jan. 12, 
2 
I 
1.42 
90 
10 
3.51 
49 
.57 
4 
1 1 \ hours 
1 3 
3 
4 
1.48 
91 
9 
3.43 
50 
.53 
10 
I 4 
1.56 
94 
6 
3.75 
45 
.56 
5 
Argentina: 
f 1 
| 
1.55 
45 
55 
22.56 
47 
.73 
12 
187 
1 
1 2 
1.60 
59 
41 
24.96 
41 
.78 
12 
1 3 
J 
1.65 
59 
41 
27.68 
35 
.72 
12 
1 4 
| 
1.70 
61 
39 
27.90 
34 
.70 
12 
Illinois: 
r i 
| 
1. 36 
73 
27 
7.10 
46 
3.29 
23 
190 
30 
(Jan. 5,2 
1 hours. 
2 
3 
1.41 
84 
16 
8.69 
34 
3.29 
23 
1 3 
f 
1.47 
88 
12 
8.98 
31 
3.33 
23 
1 4 
a 
1.56 
90 
10 
9.59 
27 
3.41 
22 
r i 
a 
1.36 
84 
16 
6.07 
49 
1.90 
31 
196 
34 A 
fFeb. 15, 
\ 4± hours 
2 
3 
1.41 
88 
12 
6. 12 
48 
1.83 
34 
3 
a 
1.45 
90 
10 
7. 06 
41 
2.18 
21 
I 4 
a 
1.51 
92 
8 
7.10 
40 
1.97 
29 
f 1 
1 
1.35 
87 
13 
5.91 
29 
1.71 
28 
a 197 
34 B 
fFeb. L2, 
\ 2 hours. 
1 2 
1 
1.41 
90 
10 
6. 15 
27 
1.64 
31 
1 3 
1 
1.46 
92 
8 
6.20 
26 
1.68 
29 
4 
1 
1.51 
92 
8 
7.23 
14 
2.17 
8 
Kansas: 
/Jan. 10, 1 2 
\ 2 hours.]) 3 
1 4 
Slack. 
1.3(3 
66 
34 
4.48 
78 
2.63 
44 
191 
2B 
Slack. 
1.41 
74 
26 
5. 31 
74 
2.78 
41 
Slack. 
1. 47 
78 
22 
5.73 
72 
3. 19 
32 
Slack. 
1.56 
81 
19 
6.18 
70 
3. 31 
30 
Ohio: 
f l 
3 
1.35 
77 
23 
5.12 
45 
3. 23 
18 
193 
12 
(Jan. 25, 1 2 
I ghour. |1 3 
3 
4 
1.40 
89 
11 
6.43 
32 
3.63 
8 
4 
1. 45 
92 
8 
6.78 
28 
3.88 
2 
1 .4 
I 
1.52 
94 
6 
7.31 
22 
3.98 
Pennsylvania: 
1 
f 1 
h 
1.35 
72 
28 
5. 47 
44 
1.30 
66 
a 188 
15 
/Feb. 4,2 
[ hours. 
1 2 
h 
1.41 
78 
22 
5. 27 
46 
1.45 
62 
1 3 
h 
1.45 
80 
20 
5.54 
43 
1.54 
59 
( 4 
i 
1.52 
81 
19 
6.26 
36 
1.71 
55 
f 1 
i 
1.35 
86 
14 
5. 14 
57 
1.00 
34 
189 
17 
/Feb. 6, 
\ H hours 
2 
1 
1.40 
90 
10 
5. 69 
52 
1.08 
28 
3 
f 
1. 45 
91 
9 
6. 20 
48 
1.26 
17 
I 4 
i 
1.52 
91 
9 
7.51 
37 
1.13 
25 
r i 
4 
1.35 
83 
17 
4.95 
53 
.93 
67 
a 194 
20. 
/Jan. 29, 
\ 2| hours 
\ 
1 
1.42 
88 
12 
5.66 
46 
1.24 
57 
3 
f 
1. 45 
88 
12 
4.72 
55 
1.02 
64 
[ 4 
| 
1.52 
89 
11 
6.07 
42 
1.09 
62 
Virginia: 
f 1 
a 
1.35 
84 
16 
2.60 
51 
.95 
21 
a 198 
6 
(Feb. 1, 
2 
I 
1.41 
85 
15 
2.98 
48 
. 92 
24 
i 1J hours 
3 
f 
1.45 
85 
15 
3.44 
42 
.95 
21 
[ 4 
I 
1. 53 
87 
13 
3.53 
41 
.07 
20 
a Finer crushing advantageous. 
