Account of a Voyage of Discovery Part 15
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_August 6, 1816._--1 P.M.
Index uppermost. Instrument inverted.
A + 7'. 48" B - 11'. 55"
7 . 48 11 . 45 7 . 55 11 . 45 ------ ------- Mean 7 . 50 Mean 11 . 48 B.
Mean + 7 . 50 A.
------- 4) 19 . 38 ------- 4 . 54 Dip.
3 . 53 Tabular.
1 . 1 Difference + -------
Height of the eye, 15 feet, 6 inches.
Parts of the horizon observed, SW. by S. and NE. by N.
Depth of the sea, 29 feet.
Barometer - 29 . 64 inches.
Thermometer { Air 83-1/2 { Sea 81-1/2 Lat.i.tude - 38 50' north.
Longitude - 118 00' east.
Moderate breeze from SE. by S.; rather hazy, but the horizon sharp and distinct.
No. 50.
OFF THE PEI-HO, YELLOW SEA.
_August 8, 1816._--6.15. A.M.
Index uppermost. Instrument inverted.
A + 10'. 20" B - 12'. 50"
10 . 18 12 . 45 10 . 35 13 . 00 ---------- ---------- Mean 10 . 24, 3 Mean 12 . 51.7 B.
Mean + 10 . 24.3 A.
---------- 4) 23 . 16 5 . 49 Dip.
3 . 50 Tabular.
1 . 59 Difference + ----------
Height of the eye, 15 feet, 3 inches.
Parts of the horizon observed, NNE. and SSW. clear of the land.
Depth of the sea, 26 feet.
Barometer 29 . 65 inches.
Thermometer { Air 69-1/2 { Sea 78
Wind NNW. moderate.
Lat.i.tude - 38. 50' north.
Longitude - 118. 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 s.h.i.+p Lyra, Thermometer { Air 75 } distant three or four miles.
{ Sea 77 } Wind WNW.
About one mile from the fort of Tung-coo, at the entrance of the Pei-ho river. _Note._--Instrument readjusted.
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 84 } Sea 83
Lat.i.tude 38 . 50' north.
Longitude 118 . 00' east.
Account of a Voyage of Discovery Part 15
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Account of a Voyage of Discovery Part 15 summary
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