1140 
Journal of Agricultural Research 
Vol. V f No. 24 
Tab lb HI *—Difference between discharges computed from the formula 
Q=[3.83— o.o7L]LH( 1 * 62+0 * 01Ir ) and those obtained by experiment, 
for the new type of weir —Continued 
1.5-FOOT WEIR 
Head. 
Observed Q 
corrected true 
for length. 
Computed Q. 
Difference in Q. 
Percentage of 
difference. 
Feet. 
0.199 . 
O. 448 
0. 469 
+0. 021 
+4-69 
*299 . 
.865 
.876 
+ . on 
+ 1. 30 
. 400. 
1.360 
1.369 
+ .009 
+ .66 
• 497 . 
I. 907 
I. 910 
+ .003 
4- . 16 
. 600. 
2. 560 
2. 551 
— . OO9 
7 * 35 
. 70O. 
3. 227 
3. 232 
+ -005 
t - 15 
. 800. 
3 - 956 
3-967 
+ «on 
■j- . 28 
. 900. 
4 . 728 
4 - 753 
+ -025 
+ -53 
• 99 ® .. 
5 - 521 
5 - 57 ° 
+ .049 
4 * • 89 
1-099 . 
6.378 
6-439 
4- . 081 
+1. 27 
1. 250. 
7.727 
7.870 
+ ■ 143 
+i- 83 
2 -FOOT WEIR 
0. 200. 
0. 590 
0. 619 
+0. 029 
+4- 80 
. 3 °°. 
1.116 
1.156 
4- .040 
+ 3 - 58 
. 400. 
1.784 
1.800 
+ .016 
+ -90 
. 5 °°. 
2- 336 
a- 538 
-I-. 002 
-f- . 08 
. 600. 
3-338 
3- 361 
4- .003 
+ .09 
. 700. 
4. 288 
4. 26l 
— . 027 
“ .63 
. 800. 
5-179 
5 - 234 
+ -055 
+1. 06 
. 900. 
6. 279 
6.274 
7 .005 
— . 08 
1.000. 
7-358 
7.380 
+ . 022 
+ *30 
1.100. 
8. 34 ° 
8- 547 
+ -007 
4" * 08 
1.250. 
io- 333 
IO. 406 
+ -071 
4- .69 
3 -FOOT WEIR 
0.200. 
0. 884 
0. 896 
+0. 012 
+1. 36 
. 300. 
1. 663 
1. 680 
+ *017 
+1. 02 
• 396. 
2 - S »3 
2.584 
+ . 001 
4 - .04 
• 5 01 . 
3 - 720 
3 - 720 
. 000 
. 00 
• 598. 
4-938 
4-895 
- -043 
-.85 
. 700. 
6. 297 
6. 248 
- .049 
- .78 
. 800. 
7 - 754 
7.684 
— .070 
— .90 
. 900. 
9.287 
9- 223 
— . 064 
— .69 
1.001. 
10. 948 
10. 877 
— . 071 
- .65 
1.100. 
12. 638 
12. 589 
- .049 
7 ‘39 
1.250. 
i 5 - 33 i 
1 S‘ 347 
+ *016 
+ . 10 
