Barometer 29 . 65 inches.
Thermometer { Air 69-1/2º
{ Sea 78º
Wind NNW. moderate.
Latitude - 38º. 50' north.
Longitude - 118º. 00' east.
Mem.—The top of the fort at the mouth of the river, is just visible at 30 feet from the surface of the water.
No. 53.
OFF THE PEI-HO, YELLOW SEA.
August 10, 1816.—6.10. A.M.
Index uppermost. Instrument inverted
A + 13'. 55" B - 7'. 30"
13 . 50 7 . 15
13 . 45 7 . 25
———- ————-
Mean 13 . 50 Mean 7 . 23.3 B.
————-
Mean + 13 . 50 A.
————-
4) 21 . 13.3
5 . 18.3 Dip.
2 . 20 Tabular.
2 . 58 Difference +
Height of the eye, 5 feet, 6 inches.
Depth of the water, 5 feet.
Parts of the horizon observed, N. by E. and S. by W. just clear of the land.
Barometer 29 . 69 inches. } On board His Majesty's ship Lyra,
Thermometer { Air 75º } distant three or four miles.
{ Sea 77º }
Wind WNW.
About one mile from the fort of Tung-coo, at the entrance of the Pei-ho river. Note.—Instrument readjusted.