474 SEVENTH REPORT—1837. 
7th Aug., 1837. WAVE XXiIxX. Depth 1 inch. 
Generated by solid C. projected to bottom. Volume added = 88°3 inches. 
Transits observed successively without omission at Central State. 
Observers, z Russell, 8 Patrick, y Hamil, 3 Donaldson—Transit, Russell. 
Statical level observed at { 5 on pir ; True statical depth = 1-00 inches. 
feet.|« sec.|B sec.|y in,| 3 in.|9/in.|¥ in.| in. || feet.| sec.| 6 sec.}y in| 3 in.|9/in.|¥ in| in. 
0:| 0:0} 0:0) 0-30) ... | 0-30} ... | 1-3 || 80° | 46-5 | 46:0/ 0-09) ... | 0-09) ... | 1:09 
20:| 10-7 | 11:0} ... |0°12) ... | 0-12) 1-12/|100- | 58-0) 58-0] ... | 0-04) ... | 0-04) 1-04 
40: | 22-5 | 22-5/ 0-10) ... | 0-10) ... | 1-10)/120- | 70-5 | 70:5 | 0-02) ... | 0-02) ... | 1:02 
60: | 34-5 | 34-0] ... | 0-05} ... | 0-05) 1-:05)|140-| ... | ... | ... | 0°02) ... | 0-02) 1-02 
7th Aug., 1837. WAVE XXX. Negative. Depth 1 inch. 
Generated by subtraction of solid C. 
Transits observed successively without omission at Central Station. 
Observed and timed at y and 3. Depth 1-0 inch. 
Statical level observed at { y = erste t True statical depth = 1-00 inch. 
A B Cc D E| A B Cc D E 
feet. jz sec. B sec.) yin.| din. | 9/ in. | ¥ in, | in. || feet.|a sec.|B sec.| yin.) din. |7/in.| ¥ in. | in. 
0- 0:0; 0:0)—0-1 ... |—O1L | ... | 0-9 || 56-7|39:5| 39-5] ... |—0-04] ... |—0-04| 0-96 
14-62} 9°5| 9:5} ... |—0-05) ... |—0°05) 0-95)| 75-7 ape oe ats wee as 
35:7 | 24:5 |24-5|—0-02} ... |—0-02) ... | 0°98)) 95-7 
7th Aug., 1837. WAVE XXXI. Depth 1 inch, 
Generated by solid C. projected to bottom. Volume added = 88°3 inches. 
Transits observed successively without omission at Central State. 
Observers, « Russell, 8 Patrick, y Hamil, 3 Donaldson—Transit, Russell. 
Statical level observed at{ xy ra aed \ true statical depth = 1-00 inches. 
feet.|a sec.| 6 sec.|y in.| 3 in.|/9/in.|% in,} in, |} feet.|« sec.| 6 sec.|y in.| 3 in.|7/in.|% in.) in. 
0-| 0-0} 0:0] 0°35) ... |0°35] ... | 1-35) GO}... |... |... 10°05) ... | 0°05) 1-05 
20°} 11:0) 11-0] ... | 0°15) ... | 0-15] 1-15}) 80- PP) sc ond | 8 
40: | 22-5 | 22-5 | 0-09) ... | 0-09) ... | 1-09)/100- 
