cubic feet per foot in width of weir, but as the weir is only 6
in wide, we must divide this figure by 2, then

37.52/2 = 18.76 cubic feet, which is the discharge per minute.



+------+ +------+
| | FIG. 13 | |
| | | |
| | | |
| +------+ +------+ |
| | | |
| | | |
| | | |
| +------+ |
| |
| |
| |
| |
+----------------------------------+

Fig. 13.-ELEVATION OF DOUBLE RECTANGULAR NOTCHED GAUGING WEIR.


+------+ +------+
| \ FIG. 13 / |
| \ / |
| \ / |
| \ / |