492 SEVENTH REPORT—1837. 
1th Aug., 1837. WAVE LXXXIX*. Trapezoidal Channel (L). 
(1.) Height of the wave. { Or pe epee ic 4 | ye | odo 
(2.) Height of the wave. { On the geen sacs 0 | re | odo 
(B.) Height of the wave. { 07 the Seen ci as | to | 
(4.) Height of the wave. { 9" he Geen eae as | 0 | oso 
* In the whole of this series the wave broke on the shallow side immediately, and 
continued to do so, being dissipated very soon. 
llth Aug., 1837. WAVE XC. Trapezoidal Channel (M). 
Generated by addition of solid parallelopipedon C. 
Times observed directly at y and 3, single transits. 
Time, « Russell, Index, y Hamil, Index, 3 Donaldson. 
Statical level observed at{ oy is pau t Corrected depth = 6:01 inches. 
ee ey tee a TOA te os, Ok 
1. ee Ba oR ah le ha: is c | D |e 
001 ... | OO | 15| ...| 1:57] ... 17-58] 75-7]... | 20-5]... | et ace | coe] one 
14-6| ... | 4:0. es 115-7}... | 32:5] 0-25 -+ [O12 .. [613 
35-7| ... | 90 135-7 mie eye rE 
llth Aug., 1837. WAVE XCI. Trapezoidal Channel (M). 
Generated by addition of solid parallelopipedon C. 
‘Times observed directly at y and 3, single transits. 
Time, « Russell, Index, y Hamil, Index, 3 Donaldson. 
Statical level observed at { x ie " ne } Corrected depth = 6°01 inches. 
feet. |x sec. |B sec. y in.|3 in.|9/in.|Y in. 
in. || feet. | «sec. 6 sec.|y in. 3 in.|9/in.|’in,| in. 
0-0) ... | 0:0 PS ete) geal crete er ay 21-0) ... | 0-5] ... (0°45) 6:55 
14°6| ... | 40] ... | 15} ... | 1:45) 7-46115-7 33°5| 0-2) ... | 0°27) ...| 6-40 
35°7| ... | 9:5 | 0-7] ...| 0-77) ... |6-78]135-7 re Pa Be SD i 
llth Aug., 1837. WAVE XCII. Trapezoidal Channel (M). 
Generated by addition of solid parallelopipedon C. 
Times observed directly at y and 3, single transits. 
Time, « Russell, Index, y Hamil, 3 Index, Donaldson. 
Statical level observed at{ ¥ 3 = aes } Corrected depth = 6-01 inches. 
A B Cc D |E|] A B c ie 
SS SS SE SS SS SS eee 
feet. | a sec.|6 sec.|y in.|3 in.|7/in, 2 in.| in. || feet. | « sec.|B sec.\y in.3 in./9/ in. in.| in. 
00) -.....}. 0-0 wos |] 70°7 |. ose | ZOD. 1) O10 oe (OBa | G4aG 
14°6| ... | 4:0]... | 1:5]... |1-45] 7-46]115-7| ... | 325] 03) ... 0-25] ... | 6-26 
35-7| ... | 95 | 1-25) ... | 1°33)... | 7°33] 185-7 PD FA 2 YS = 
