io The Colorado Experiment Station 
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TABLE III 
For Divisor Box Shown in Figure 1 
Long box; 4-inch dam; divisor board hinged 
24 inches from side of flume; free flow in main channel; 
0.1 foot or 1 3-16 inches effective head in divisor channel 
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Width of 
Divisor opening 
to give percent- Discharge 
age of flow in Second-feet 
Percent Inches Divisor Channel Total 
Head = 0.4 ft. or 4 13-16 inches 
1 
2.1 
1.0 
2 
1 % 
0.1 
3.1 
3.2 
2 
4.2 
2.7 
4 
2 % 
0.2 
3.1 
3.3 
3 
6.3 
4.4 
6 
4 
0.2 
3.1 
3.3 
4 
8.3 
6.1 
8 
5 % 
0.3 
3.1 
3.4 
5 
10.4 
7.8 
10 
6 % 
0.4 
3.0 
3.4 
6 
12.5 
9.6 
12 
7 % 
0.4 
3.0 
3.4 
7 
14.6 
11.3 
15 
9 % 
0.5 
3.0 
3.5 
8 
16.7 
13.1 
17 
io y 8 
0.6 
2.9 
3.5 
9 
18.8 
14.9 
19 
n % 
0.7 
2.9 
3.6 
10 
20.8 
16.7 
21 
12 % 
0.7 
2.9 
3.6 
11 
22.9 
18.5 
23 
13 % 
0.8 
2.8 
3.6 
12 
25.0 
20.4 
25 
14 % 
0.9 
2.8 
3.7 
13 
27.1 
22.3 
27 
15 y 2 
1.0 
2.7 
3.7 
14 
29.2 
24.2 
29 
16 % 
1.0 
2.7 
3.7 
15 
31.2 
26.2 
31 
17 y 2 
1.1 
2.6 
3.7 
16 
33.4 
28.1 
33 
18 % 
1.2 
. 2.5 
3.7 
17 
35.4 
30.0 
35 
19 % 
1.2 
2.4 
3.6 
18 
37.5 
31.9 
38 
2iy 8 
1.3 
2.3 
3.6 
19 
39.6 
33.8 
40 
22 % 
1.4 
2.2 
3.6 
20 
41.7 
35.8 
42 
23 
1.5 
2.1 
3.6 
21 
43.8 
37.8 
44 
24 
1.6 
2.0 
3.6 
22 
45.8 
39.8 
• • 
• • 
• • • 
• • • 
• • • 
23 
47.9 
41.8 
• • 
• • 
• • • 
• • • 
• • • 
24 
50.0 
43.9 
# # 
• • • 
• • • 
• • • 
Head = 0.8 ft. or 9% inches 
1 
2.1 
1.4 
2 
1 % 
0.1 
7.2 
7.3 
2 
4.2 
3.2 
4 
2 y 2 
0.3 
7.2 
7.5 
3 
6.3 
5.0 
6 
3% 
0.4 
7.2 
7.6 
4 
8.3 
6.8 
8 
4% 
0.6 
7.2 
7.8 
5 
10.4 
8.5 
10 
5% 
0.8 
7.2 
8.0 
6 
12.5 
10.2 
12 
7 
1.0 
7.2 
8.2 
7 
14.6 
12.0 
15 
8 % 
1.2 
7.1 
8.3 
8 
16.7 
13.8 
17 
9% ' 
1.5 
7.1 
8.6 
9 
18.8 
15.6 
19 
10 % 
1.7 
7.1 
8.8 
10 
20.8 
17.4 
21 
11 % 
1.9 
7.0 
8.9 
