DIFFERENCE OF HEAD IN FEET 
2 
2 . 3 . 4 . 5 . 6 . 7 . 8 . 9 . 10 . 20 , 30 . 40 . 50 . 60 . 70 . 
DISCHARGE IN SECONDFEET 
FIGURE 15. — Discharge Diagram for the Two Foot Rectangular Venturi Flume. 
Plotted from Results Computed by the Formula Given on Page 11, 
