Tabi^ III .—Comparison of discharges through rectangular notches computed from the Francis formula and the new formula 
Mar. 6,1916 
Flow through Weir Notches 
1069 
4-foot crest. 
Discharge computed 
: by the Francis 
formula. 1 
Percentage 
of dis¬ 
charge 
computed 
by new 
formula. 
n O « hoo in OwO H 
H H H 
Amount 
(cubic 
feet per 
second). 
00 CO Oi'O CMOUINTT 
h to O 0"0 ^00 
H H H « 
Discharge 
computed 
by new 
formula 
(cubic 
feet per 
second). 
O 00 0 O VO H Ct VO Tj -00 
h rf to O O i>0 co O 
ww^t^cSwr^Aco 
H M M H M 
3-foot crest. 
Discharge computed 
by the Francis 
formula. 1 
Percentage 
of dis¬ 
charge 
computed 
by new 
formula. 
rt to r- tj- m 
Amount 
(cubic 
feet per 
second). 
00 to H tocO ct O to « 
00 CO Ct to to 00 Ot VO 
<J M CO to t'* dt Ct fOtO 
W H M 
Discharge 
computed 
by new 
formula 
(cubic 
feet per 
second). 
co 'O n 0 toco 0- O r- 
6 h co vr> d* ro ^ 
M H H 
2-foot crest. 
Discharge computed 
by the Francis 
formula. 1 
Percentage 
of dis¬ 
charge 
computed 
by new 
formula. 
OO H OS O H 
aggsiSiS; 
H 
Amount 
(cubic 
feet per 
second). 
do" CC tj* H 00 Qt't 
10 « M - 3 - Ot H 
6 H <5 (f) tt VOCC 
Discharge 
computed 
by new 
formula 
(cubic 
feet per 
second). 
§8 « to w ^ to 
to M M Ot M to 
6 w « co ^-to 06 
iK-foot crest. 
Discharge computed 
1 by the Francis 
formula. 1 
Percentage 
of dis¬ 
charge 
computed 
by new 
formula. 
H CO Ct M 00 to to 
Amount 
(cubic 
feet per 
second). 
to to 
CO 6 WOlNOtl 
rf 5 »to COCO 
6 * H s 0 3 to 
Discharge 
computed 
by new 
formula 
(cubic 
feet per 
second). 
Oi to 
CO h 00 OtO tt CO 
Tf 0*0 tot© 'O 
d ’ h « (!) ^-t <5 
i-foot crest. 
Discharge computed 
by the Francis 
formula. 1 
Percentage 
of dis¬ 
charge 
computed 
by new 
formula. 
ro -t to rT O CC . 
06 to « d • 
Ok Ov Q% Ot OtoO • 
Amount 
(cubic 
feet per 
second). 
00 SitQ « t-N ■ 
« VO O »0 H O ■ 
6 H H fl ci • 
| 
*1 
computed 
by new 
formula 
(cubic 
feet per 
second). 
llaRiJ'8 : 
6 H M e» CO • 
Head. 
0 CO O to Q VO co O 
■{£ « co VOtD 00 0 M co to 
to 6 W H H H 
