Table VII .—Comparison of discharges through trapezoidal notches with side slopes of 1:4 computed by the Cipollettiformula and by the new formula. 1 
Mar. 6. i 9 i6 Flow through Weir Notches 
4-foot crest. 
Discharge computed 
by Cipolletti formula. 
Percentage 
of 
discharge 
mmnntpH 
by new 
formula. 
dHHHMwddd 
OOOOOOOOO 
Amount 
(cubic 
fppf rxei* 
second). 
W l/vo 00 WJNM'O ^ 
« 1/1 t-. to m ttoo 0 
h « ^ d tbo6 <3 '5* 
H H H « (1 
Discharge 
computed 
by new 
formula 
(cubic 
feet per 
second). 
0 « S'00 « fonoo 
M lrt'O M ^ (O lots 
h « rt 6 & 4* 
H H M ei « 
3-foot crest. 
Discharge computed 
by Cipolletti formula. 
Percentage 
of 
discharge 
mm niifcrl 
by new 
formula. 
O H H H WH If O « 
dsssggS&l 
H H H H H H 
Amount 
(cubic 
feet, ner 
second). 
Q H Tt H 0 « OO 
0\ Ol VI V) O' H M Tj- to 
<} h (») 6 4 1006 
H H H M 
Discharge 
computed 
by new 
formula 
(cubic 
feet per 
second). 
0* Os rOOO b Os H V) 
00 « *0^00 0 n so 00 
(J H ^ IS)06 
H H H H 
1 
1 
« 
Discharge computed 
by Cipolletti formula. 
Percentage 
of 
discharge 
m-mraited 
by new 
formula. 
1O00 IfNH H00 • 
: 
H M H » 
Amount 
(cubic 
feet net* 
second). 
O 00 00 OiOO to h • 
vo « too « t- • 
d h « w iod ox • 
Discharge 
computed 
by new 
formula 
(cubic 
feet per 
second). 
Sx t-~ O toO W • 
10 m tot- rr>oo t-. • 
d h « to xod dx * 
i 
a 
1 
is 
H 
11 
|I 
11 
B* 
Percentage 
of 
discharge 
cnmnuted 
by new 
formula. 
'f to ■'t'O to « to ■ 
: 
H H 4 
Amount 
(cubic 
feet ner 
second). 
« l> • 
xo moo t*o mo • 
K-Oxt'NOxO 0 • 
6 H « ft) W1 • 
Discharge 
computed 
by new 
formula 
(cubic 
feet per 
second). 
O ^ 
vxiflOiM . 
rf Ox t^oo O w ^* • 
6 ' m ti rf ib F- 
i-foot crest. 
Discharge computed 
by Cipolletti formula. 
Percentage 
of 
discharge 
com noted 
by new 
formula. 
SH VI Ox vo 00 • • 
a A w vx h • * 
Ox Ox Ox Ox ^ Oi • • 
1 
Amount 
(cubic 
feet ner 
second). 
H 00 • • 
O mos 10 jts . . 
toO h 00 O to • ■ 
d h m « • • 
Discharge 
computed 
by new 
formula 
(cubic 
feet per 
3 
« 4* • ■ 
O T « (O N I s ■ ■ 
too « oxoo 0 • ■ 
d h h ci to • - 
Head. 
0 to 0 (> sfl O V) 0 
•si « to mo 00 O « to m 
« 6 H M H M 
hi 
1079 
