EXPERIMENTS MADE ON BOARD U. S. SHIP VINCENNES, 9TH APRIL, 1840. 
js Wee fal cd Oa oa Dl gp, 
I. 
TIME, 
10 a. M. 
ll « 
12 noon. 
lp. M. 
D « 
3 
4 « 
3 
6 
SUN’S ALT, 
CURRENT. 
DEPTH POT SEEN. 
16 fathoms. 
16 
17 
17 
15 
15 
14 
14 
13 
None. 
1 fathom north. 
1 
mo wo NY) NY WD DW 
west-northwest. 
west-by-soutli. 
66 66 
west-southwest. 
—_—_—XX_!_ ss see: nn mn n _=_ES_ = sEs=_eeeee_eee_e_eeeeeeeee_ee ee ee 
EXPERIMENTS MADE ON BOARD U. S. SHIP PEACOCK, 3lst 
Water at the surface stood at 
10 fathoms below the surface stood at 
20 
30 
40 
50 
60 
70 
80 
9¢ 
100 
200 
300 
400 
500 
66 
66 
marcy, 1840. 
75° 
. 70 
ae 
een ens 
Ten owil, 
Lon 
eye b, 
ihe Te 
emcees 
694 
audi 
633 
56 
52 
49 
(399) 
| 
| 
