t 
4: , r 
—42— 
Discharge Over Cippoletti Weirs. -Concluded. 
Depth of Water on 
Crest. 
In 
Inches. 
In 
Feet. 
2 Feet 
Long, 
8.4 
8.7 
9.0 
9.3 
.7 
.725 
.75 
.775 
3.9437 
4.1565 
4.3733 
4.5942 
9.6 
0.9 
10.2 
10.5 
.80 
.825 
.85 
.875 
4.8177 
5.0453 
10.8 
.90 
11.1 
.925 
11.4 
.95 
11.7 
.975 
12.0 
1.00 
12.3 
1.025 • 
. * * 
12.6 
1.05 
12.9 
1.075 
13.2 
1.10 
13.5 
1.125 
13.8 
1.150 
. 
14.1 
1.175 
14.4 
1.2 
14.7 
1.225 
15.0 
1.25 
15.3 
1.275 
15.6 
1.3 
15.9 
1.325 
16.2 
1.35 
16.4 
1.375 
16.8 
1.4 
17.1 
1.425 
17.4 
1.45 
17.7 
1.475 
18.0 
1.5 s 
18.3 
1.525 
18.6 
1.55 
18.9 
1.575 
19.2 
1.6 
19.5 
1.625 
19.8 
1.65 
• • . 
20,1 
1.675 
20.4 
1.7 
20.7 
1.725 
, 
21.0 
1.75 
21.3 
1.775 
. 
21.6 
1.8 
21.9 
1.825 
22.2 
1.85 
22.5 
1.875 
22.8 
1.9 
23.1 
1 .925 
23.4 
1.95 
23.7 
1.975 
. 
24.0 
2.0 
25.5 
2.125 
27.0 
2 25 
28.8 
2.4 
30.0 
2.5 
. 
discharge in cubic feet per second. 
3 Feet 
Dong. 
5.9156 
6 2347 
6.6599 
6.8912 
7.2265 
7.5679 
7.9154 
8.2669 
8.6234 
8.9850 
9.3516 
9.7233 
10.1000 
10.4808 
10.8606 
11.2575 
11.6524 
12.0513 
12.4553 
12.8644’ 
13.2764 
13.6936 
14.1148 
14.5410 
4 Feet 
Long. 
7.8874 
8.2930 
8.7466 
9.1883 
9.6354 
10.0906 
10.5538 
11.0225 
1174978 
11.9800 
12.4688 
12.9644 
13.5667 
13.9744 
14.4888 
15.0100 
15.5365 
16.0684 
16.6071 
17.1525 
17.7019 
18.2581 
18.8197 
19.3880 
19.9603 
20.5394 
21.1238 
21.7123 
22.3075 
22.9082 
23.5128 
24.1242 
24.7396 
25.3604 
25.9866 
26.61S2 
:r ■ 
t . .. 
5 Feet 
Dong. 
9.8598 
10.3912 
10.9332 
11.4854 
12.0442 
12.6132 
13.1923 
13.7781 
14.3723 
14.9749 
15.5860 
16.2054 
16.8333 
17.4679 
18.1110 
18.7624 
19.4206 
20.0855 
20.7588 
21 4406 
22.1274 
22.8226 
23.5246 
24.2349 
24.9503 
25.6742 
26.4047 
26.1404 
27.8844 
28.6352 
29.3910 
30.1552 
30.9245 
31.7005 
32.4333 
33.2727 
34.0685 
34.8702 
35.6782 
36.4913 
37.3111 
38.1376 
38.9691 
39.8074. 
40.6515 
41.5C09 
42.3577 
43.2179 
7 Feet 
Long. 
13.8030 
14.5457 
16.3065 
16.0796 
16.8619 
17.6585 
18.4692 
19.2893 
20 1212 
20.9649 
21.8204 
22.6876 
23.5667 
24.4551 
25.3554 
26.2674 
27.1888 
28.1198 
29.0624 
30.0168 
30.9784 
31.9517 
32.9344 
33.9289 
34.9305 
35.9489 
36.9666 
37.9966 
39.0382 
40.0893 
41.1474 
42.2173 
43.2943 
44.3808 
45.4766 
46.5818 
47.6959 
48.8183 
49.9495 
51.0878 
52.2355 
53.3926 
54.5568 
55.7304 
56.9121 
58.1013 
59.3008 
60.5031 
61.7211 
62.9442 
64.1720 
65.4116 
66.6560 
72.999 
79.541 
87.619 
93.156 
SOME 
10 Feet 
Long. 
19.7186 
20.7824 
21.8675 
22.9708 
24.0885 
25.2264 
26.3846 
27.5562 
28.7446 
29.9499 
31.1720 
82.4019 
33.6667 
34.9359 
36.2220 
37.5249 
38.8412 
40.1711 
41.5177 
42.8812 
44.2548 
45.6453 
47.0402 
48.0690 
40.0007 
51.8484 
52.8005 
54.2808 
55.7688 
57.2704 
58.7820 
60.3105 
61.8400 
63.4011 
64.9066 
66.5455 
68.1370 
69.7405 
71.3565 
72.9826 
74.6222 
76.2752 
77.0383 
79.6149 
83.3030 
83.0018 
84.7154 
86.4358 
88.1730 
89.9203 
91.6743 
93.4452 
95.2228 
104.289 
113.63 
125.18 
133.07 
PHYSICAL CONSTANTS USEFUL IN CONNECTION^VITH THE 
PRECEDING TABLES. 
1 on. ft. water weighs 62.416 lbs. at 32 degrees F. 
} U* water weighs 62.424 lbs. at 39.3 degrees F. 
1 , 1U8. clG OVJ.O Q©l?r©6B 1 
ell. ft. water weighs 62.408 lbs. at 50 degrees F 
1 ou. ft. water weighs 62.300 lbs. at 70 degrees F 
} 0,1 • f t, = 7.48052 U. S. gallons. h * 
1 acre ft. - an acre 1 ft. deep = 43,560 cu. ft. 
1 Ann 325,851.45 gallons. 
1,000,000 U. S, gallons = 133,680.6 cu. ft. 
1,000.000 cu. ft. - 22.9568 
= 1L574 cu. ft. per sec. for 24 lirs. 
1 cu. ft. per sec. = 448.8312 gals, per min. 
- 86,400 cu. ft. in 24 hrs. (Nearly 
2 acre feet.) 
= 2 acre ft. in 24 hrs., 12 min. 
= 1,000,000cu. ft. ill 11.574 da’s. 
1 = 1,000,000 gals, in 1.5472 dav’s. 
cu. ft. per sec. === 38.4 Colorado statute inches. 
aO California statute inches. 
1 ^days^ P ° r SGC ' cover8 80 acres 6 in. deep in 14 
