PROFESSOR E. C4. COKER AND MR. S. B. CLEMENT ON THE VxVRIATION 
o2 
Table I. 
Number of 
experiment. 
Temperatui’e, 
° C. 
Time, 
seconds. 
Total weight 
of water 
discharged, 
pounds. 
Difference of 
head in 
centimetres 
of water. 
log V, 
V in feet per 
second. 
log h', 
h' in feet of 
water. 
1 
4-3 
121-28 
7-112 
3-819 
0-0815 
1-0975 
2 
4-3 
188-84 
9-402 
3-209 
0-0102 
1-0219 
3 
4-4 
148-60 
6-312 
2-713 
1-9412 
2-9491 , 
4 
4-5 
137-71 
4-204 
1-921 
1-7978 
2-7991 
5 
4-6 
164-92 
4-033 
1-539 
1-7016 
2-7028 
6 
4-6 
198-80 
3 - 380 
1-067 
1-5436 
2-5438 
7 
4*7 
84-26 
1-336 
0-999 
1-5134 
2-5152 
4-7 
152-00 
1-540 
0-648 
1-3189 
2-3272 
9 
11-2 
141-18 
6-130 
2-315 
1-9511 
2-8799 ' 
10 
11-2 
168-15 
5-131 
1-570 
1-7978 
2-7133 
11 
11-2 
194-18 
6-686 
1-811 
1-8503 
2-7733 
12 
11-2 
140-40 
3-318 
1-224 
1-6868 
2-6032 
13 
11-2 
199-70 
3-018 
0-795 
1-4925 
2-4158 
14 
11-3 
235-68 
2-407 
0-507 
1-3224 
2-2204 1 
15 
11-3 
175-10 
1-295 
0-388 
1-1824 
2-1042 1 
16 
16-8 
70-90 
1-991 
1-221 
1-7621 
2-6020 
17 
16-8 
82-00 
3-138 
1-678 
1-8964 
2-7401 
18 
16-8 
75-70 
3-565 
2-088 
1 - 9865 
2-8351 
19 
16-8 
83-53 
2-266 
1-212 
1-7470 
2-5988 
20 
16-8 
88-28 
1-320 
0-660 
1-4883 
2-3348 
21 
16-8 
180-43 
2-707 
0-668 
1-4898 
2-3401 
22 
16-9 
143-75 
1-347 
0-404 
1 - 2855 
2-1217 
23 
16-9 
123-00 
4-439 
1 - 594 
1-8710 
2-7178 
24 
18-0 
188-60 
7-150 
1-671 
1-8825 
1 
2-7380 1 
25 
18-0 
159-35 
4-821 
1-304 
1-7945 
2-6302 
26 
18-0 
182-55 
3-973 
0-932 
1-6515 
2-4844 
27 
18-1 
187-30 
3-926 
0-931 
1-6353 
2-4839 
28 
18-1 
190-15 
2-713 
0-604 
1-4682 
2-2960 , 
29 
18-1 
181-53 
1-208 
0-183 
1-1368 
3-7775 * 
30 
18-1 
181-30 
3-790 
0-886 
1 - 6340 
2-4624 
31 
18-2 
111-25 
1-155 
0-456 
1-3301 
2-1740 
32 
18-2 
346-40 
10-932 
1-376 
1-8129 
2-6536 
33 
27 -2 
135-85 
4-594 
1-232 
1-8445 
2 - 6059 
34 
27-2 
166-33 
4-782 
1-020 
1-7733 
2-5239 
35 
27-2 
135-12 
2-929 
0-779 
1-6508 
2-4068 
36 
27-2 
177-30 
3-140 
0-660 
1-5629 
2-3348 
37 
27-1 
195-48 
2-294 
0-443 
1-3842 
2-1617 
38 
27-1 
139-78 
6-300 
1-674 
1-9684 
2-7391 
39 
27-1 
83-33 
4-404 
2-028 
0-0378 
2-8224 
40 
31-1 
175-83 
8-218 
1-628 
1-9848 
2 - 7263 
41 
31-1 
123-95 
4-346 
1-172 
1-8601 
2-5837 
42 
31-1 
146-55 
3-717 
0-851 
1-7194 
2 - 4446 
43 
31-1 
150-30 
1 - 334 
0-304 
1-2635 
3-9976 
