MEASUREMENT AND DIVISION OF WATER 
37 
DISCHARGE OVER RECTANGULAR WEIRS.- Continued. 
Depth of Water 
on Crest. 
DISCHARGE IN CUBIC FEET 
PER SECOND. 
With Two Complete Contractions. 
I Correction to be added 
to each of the pre¬ 
ceding to give dis¬ 
charge with no con¬ 
traction. 
In 
Inches. 
In 
Feei,. 
5 ft. 
Long. 
10 ft. 
Long. 
16.8 
1.4 
26.0625 
53.6710 
1.5460 
17.1 
1.425 
26.6355 
55.0870 
1.6160 
17.4 
1.45 
27.4122 
56.5122 
1.6878 
17.7 
1.475 
28.0950 
57.9515 
1.7615 
| 
H-i 
00 ; 
1.5 
28.7814 
59.3999 
1.8371 
18.3 
1.525 
29.4719 
60.8584 
1.9146 
18.6 
1.55 
30.1675 
62.3290 
1.9940 
18.9 
1.575 
30.8681 
63.8116 
2.0754 
19.2 
1.6 
31.5727 
65.3042 
2.1588 
19.5 
1.625 
32.2809 
66.8053 
2.2441 
19.8 
1.650 
32.9935 
68.3185 
2.3315 
20.1 
1.675 
33.7093 
69.8393 
2.4207 
20.4 
1.7 
34.4295 
71.3710 
2.5120 
20.7 
1.725 
35.1546 
72.9146 
2.6054 
21.0 
1.75 
35.8827 
74.4662 
2.7008 
21.3 
1.775 
36.6151 
76.0286 
2.7984 
21.6 
1.8 
37.3520 
77.6020 
2.8980 
21.9 
1.825 
38.0709 
79.1814 
3.0196 
22.2 
1.85 
38.8341 
80.7716 
3.1034 
22.5 
1.875 
39.5812 
82.3717 
3.2093 
22.8 
1.9 
40.3321 
83.9816 
3.3174 
23.1 
1.925 
41.0860 
85.5995 
3.4275 
23.4 
1.95 
41.8436 
87.2271 
3.5399 
23.7 
1.975 
42.6045 
88.8635 
3.6545 
24. 
2.0 
43.3665 
90.5061 
3.771 
27. 
2.25 
107.41 
5.06 
30. 
2.50 
125.16 
6.59 
36. 
3.00 
162.79 
10.39 
