440 SEVENTH REPORT—1837. 
, | Height ofthe | Velocity ob- | Velocity due to 
ihe iy aa wave, served, half the depth. 
1-00 ie ee 1°636 
1:05 0:05 1-64 cee 
1:30 015 1°84 ee 
2:00 as ce 2:314 
2:19 0:29 2-30 Sia 
3°00 td dod 2:834 
3:10 0:16 2:87 “by 
3°23 015 2:99 A 
4:00 rds a 3273 
4:00 0°19 3°33 8 
4:08 013 3°24 
4°20 013 3°33 
4°31 0:24 3°40 mae 
5:00 ao: bie 3701 
5°20 0:10 3°73 ae 
5°25 0715 3°72 aes 
6:00 ab 360 4-008 
6°40 0°15 4:04 ao 
6:47 0:27 4:14 
6°74 0°54 4:32 sie 
7:00 a os 4:333 
7:33 0:29 4:39 Sec 
7:44 0-40 4:44 mae 
8 00 | side eee 4-628 
Tuble of Experiments in Rectangular Channel. 
Reference to Total depth Time occupied Velocity of 
onions, |‘orthewaves | waves | spacein next | deatnbea. | "ine maget 
column, 
Inches. Inches. Seconds. Feet. 
XXIX. ... 1:05 05 36:5 60:0 1:64 
XXVII.... 1:10 1:10 23:5 40:0 1:70 
XXVIII... 1:20 20 22-7 40:0 1:76 
XXXIII. . 1:30 15 22-0 40:0 1°81 
XXXV.... 1:62 “32 29-0 60:0 2°06 
XXXVI... 219 29 34:7 80:0 2°30 
D4 Saree 3°09 15 97:5 80:0 2-90 
RE shan 311 “7 14:0 40:0 2°85 
b.< FH] Rear nee 3:16 322 21:0 60:0 2-71 
NS Hecke: 3°20 26 22°0 80:0 2-72 
>< bt paras 3°23 29 27-0 80:0 2:96 
SOXVA. 3°23 15 69°5 200:0 2:99 
DOM MI... «.. 3°32 "24 27:0 80:0 2:96 
XXXV Ul I. 3°35 35 27:0 80-0 2:96 
Sle ass: 3°38 “44 19:5 60:0 3:07 
XIET SP cosine 3°41 5947 20°0 60-0 3°00 
SOV eusemeen 3°40 “32 27°0 80:0 2:96 
XXVI. ... 3°50 *44 26:0 80:0 3:08 
