36 
MEASUREMENT AND DIVISION OF WATER. 
discharge over rectangular weirs.— Continued. 
Depth of Water 
on Crest. 
1 
DISCHARGE I 
N CUBIC FEET PER SECOND, 
With Two Complete Contractions. 
Correction to be 
added to each of 
the preceding to 
give discharge 
with no contrac¬ 
tion. 
In 
Inches. 
In 
Feet. 
2 ft. 
Long. 
3 ft. 
Long. 
5 ft. 
Long. 
10 ft. 
Long. 
8.4 
.7 
3.6313 
5.5536 
9.4882 
19.2497 
.2733 
8.7 
.725 
3.8170 
5.7747 
9.9901 
20.2786 
.2981 
9.0 
.75 
4.0052 
6.1702 
10.5002 
21.3252 
3248 
9.3 
.775 
4.1961 
6.4704 
11.0190 
22.3905 
1 
.3525 
9.6 
.8 
4.3884 
6.7734 
11.5434 
23.4664 
.3810 
9.9 
.825 
4.5833 
7.0810 
12.0764 
24.5649 
.4121 
10.2 
.85 
4.7806 
7.3929 
12.6175 
25.07=0 
.4410 
10.5 
.875 
4.9792 
7.7075 
13.1641 
26.6056 
.4774 
10.8 
.9 
8.0257 
13.7177 
27.9477 
.5123 
11.1 
.925 
8.3473 
14.2779 
29.1044 
.5483 
11.4 
.95 
8.6725 
14.8451 
30.2766 i 
.5861 
11.7 
.975 
9.0012 
15.4192 
31.4642 
-.0258 
12. 
1.0 
9.3333 
16.0000 
32.6667 
.6657 
12.3 
1.025 
9.6379 
16.5859 
33.8609 
.7091 
12.6 
1.05 
10.0058 
17.1784 
35.1099 
.7531 
12.9 
1.075 
10.3471 
17.7777 
36.3532 1 
.7988 
13.2 
1.1 
10.6890 
18.3825 
37.6110 
.8400 
13.5 
1.125 
11.0370 
18.9313 
33.9731 
.8949 
13.8 
1.150 
11.3863 
19.5030 
40.1615 
.9455 
14.1 
1.175 
11.7396 
20.2303 
41.4573 
.9977 
14.4 
1.2 
12.0935 
20.6569 
42.7654 ' 
1.0516 
14.7 
1.225 
12.4507 
21.4383 
44.0358 
1.1072 
15. 
1.25 
12.8103 
22.1269 
45.4184 
1.1646 
15.3 
1.275 
13.1733 
22.7713 
46.7663 
1.2237 
15.6 
1.3 
. 
13.5375 
23.4189 
48.1224 
1.2846 
15.9 
1.325 
13.9047 
24.0727 
49.4927 
1.3473 
16.2 
1.35 
. 
14.2744 
24.7318 
50.6753 
1.4117 
16.5 
1.375 
14.6450 
25.3936 
52.2651 
1.4779 
