7S 
VS 
469 
Depth 4 inches: 
ON WAVES. 
4th Aug., 1837. WAVE XIV. 
Generated by detached Chamber B. Nimmo op. Volume = 480:4 inches. 
Transits observed by the reflected image at the Central Station. 
Observers « Glover, 6 Patrick, y Hamil, 3 Donaldson—Transit, Russell. 
05 Corrected statical depth = 3°89. 
Statical level observed at 
B=—0 
A B Cc D | E|| A B Cc Ds 
feet. | « sec.|@ sec.|y in.|3 in.|,/in.|3’in.| in. || feet. | @ sec.|@ sec.|y in.|d in.|y’in.|d’in.| in. 
0- O- | O | 1-15}1-30} 1-37} 1°35] 5-25|| 160- | 43-0} 43-5] 0-80)0-93) 1-02/0-98) 4-89 
40: | 11-0} 10-5} 1-25)1-25] 1-47/1-30} 5-21|| 200: | 55-0| 55-0) 0-70/0-65| 0-92|0-70| 4-70 
60: | 21-0} 21-5) 1-17|1-05] 1-29]1-10) 5-09}| 240° | 66-5 | 66-0} 0-50/0-63) 0°72|0-68) 4-59 
120- | 32-0) 32-0) 0-97/0-95| 1-19)1-00) 4:99] 280: | 78:5 | 78-5] 0-55] ...| 0°77] .. 
4th Aug., 1837. WAVE Xv.* Depth 4 inches. 
Generated by detached Chamber B. Nimmo op. Volume of fluidadded = 532°8 inches. 
Transits observed by the reflected image at the Central Station. 
Observers « Glover, @ Patrick, y Hamil, } Donaldson—Transit, Russell. 
Sanat s } Corrected statical depth = 3°87. 
Statical level observed at B= — 0-07 
A B Cc E}| A B Cc D E 
feet. | zsec.|@ sec.|y in.|) in.|y/in.|)’in.| in, || feet. | « sec.|@ sec.|y in.|) in.|y/in.|’in.| in. 
0: | 0:0 |} 0-0} 1-20]1-33) 1-45}1-40} 5-30|| 280- | 76:0| 77-0) ... |0°61) ... |0-68) 4-55 
40: | 10-0 | 10-0} 1-30/1-29} 1-55|1-36] 5-32|| 320- | 88-5 | 89-0} 0-30/0-49) 0-55|0-56) 4-43 
80° | 21-0 | 20-5) 1-15)1-20| 1-40}1-27| 5-20] 360- |100-9 |100-0| 0-22)0-44) 0:47/0-51| 4-36 
| 120- | 31-5 | 31-5| 1-10/1-00) 1-35}1-07| 5-03)| 400- 111-5] 0-22/0-42) 0°47|0-49] 4:35 
160- | 42:5 | 42-5) 0-90/0-96| 1-15/1.04) 4-96] 440- 124-0} 0-19|0-40} 0:44/0-47| 4-32 
200: | 54-0 | 54-0) 0-75)0-65} 1-00|0-72) 4-68|| 480- 136-0} 0-15}0°32) 0-40/0-39| 4-27 
240° | 65-5 | 65-0) 0°62/0°61| 0-77 0-68] 4-60|| 520- 150-0} 0-10/0-25) 0:35 /0-32) 4-20 
* Very successfully observed up to 100. 
4th Aug., 1837. WAVE XVI. Depth 4 inches. 
Generated by detached Chamber B. Nimmo op. Volume of fluid added=982°3 inches. 
Transits observed by the reflected image at the Central Station. 
Observers « Glover, 6 Patrick, y Hamil, 3 Donaldson—Transit, Russell. 
Ge Oe } Corrected depth = 3°74 inches. 
Statical level observed at B= — 0-20 
———$ |$ —<—$ | — | || | | 
feet. | sec-|6 sec.| y in.|3 in.|9/in.|¥in.| in. || feet. | « sec.|B sec-\y in.|d in./7/in./o’in.| in. 
0: | 0-0 | 0-0|2:10*|1-4 | 2-47|1-60) 5-77|| 160- | 42-5 | 43-0] 0-70/0-85) 1:07|0-95) 4:75 
| 40+ {10-0 | 10°5/2:3 {1-3 | 2°69)/1-50) 5-83]| 200° | 53-5 
80- [20-5 | 21-0] ... |1-2 | ... [1-40] ... || 240° | 65-0 
120- {31-0 | 31-5}1-0  |1-25| 1:37/1-45} 5-05|| 280- | 77-0 
65°5 
* This wave reached its maximum height and broke between y and 3. 
