No. 58.
OFF THE PEI-HO, YELLOW SEA.
August 10, 1816.—2 P.M.
Index uppermost. Instrument inverted.
A + 15'. 40" B - 8'. 50"
15 . 30 8 . 50
15 . 35 8 . 50
———— ————
Mean 15 . 35 Mean 8 . 50 B.
Mean + 15 . 35 A.
4) 24 . 25 6 . 6.3 Dip. 3 . 50 Tabular. 2 . 16 Difference +
Height of the eye, 15 feet, 3 inches.
Parts of the horizon observed, N. by E. and S. by W.
Depth of the sea, 27 feet.
Barometer 29 . 68 inches.
Thermometer } Air 84º
} Sea 83º
Latitude 38º . 50' north.
Longitude 118º . 00' east.
No. 59.