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A Table of the Latitudes and the Longitudes West of London, with the Variation of the Needle, at several Ports, and Situations at Sea, from Observations made on board his Majesty’s Ship the Dolphin; and her Nautical Reckoning during the Voyage which she made round the World in the Years 1766, 1767, 1768, under the Command of Captain Samuel Wallis.

Long. 
Time Latitude Longitude observed by Vari
Names of Places. when. in. supposed.  Dr Maskeline’s -ation. 
Method.
1766. 
Lizard Aug. 22. 50 0 N. 5 deg. 14’ W. ------- 21 deg.  O’ W. Funchall R. Madeira Sept. 8. 32 35 N. 18 0 W. 16 40’ W. 14 10 W. Port Praja St Jaga Sept. 24. 14 53 N. 23 50 W. ---------- 8 20 W. Port Desire Dec. 8. 47 56 S. 67 20 W. 66 24 W. 23 15 E. Cape Virgin Mary Dec. 17. 52 24 S. 70 4 W. 69 6 W. 23 0 E.
1766. 
Point Possessum Dec. 23. 54 30 S. 70 11 W. 69 50 W. 22 40 E. Point Porpass Dec. 26. 53 8 S. 71 0 W. 71 30 W. 22 50 E. Port Famine Dec. 27. 53 43 S. 71 0 W. 71 32 W. 22 30 E.
1767. 
Cape Froward Jan. 19. 54 3 S. -------- -------- 22 40 E. Cape Holland Jan. 20. 53 58 S. -------- -------- 22 40 E. Cape Gallant Jan. 23. 53 50 S. -------- -------- 22 40 E. York Road Feb. 4. 53 40 S. -------- -------- 22 30 E. Cape Quod Feb. 17. 53 33 S. -------- -------- 32 35 E. Cape Notch Mar. 4. 43 22 S. -------- -------- 23 0 E. Cape Upright Mar. 18. 53 5 S. -------- -------- 22 40 E. Cape Pillar April 11. 52 46 S. 76 0 W. -------- 13 0 E. At Sea April 21. 12 30 S. 96 30 W. 95 46 W. 12 0 E. At Sea May 4. 28 12 S. 99 0 W. 96 30 W. 6 0 E.
At Sea May 20. 21 0 S. 99 0 W. 106 47 W. 5 0 E.
At Sea May 23. 20 20 S. 116 54 W. 112 64 W. 5 0 E.
At Sea June 1. 10 38 S. 132 0 W. 127 45 W. 5 9 E.
At Sea June 3. 19 30 S. 132 30 W. 129 50 W. 5 40 E.
Whitsunday Island June 7. 19 26 S. 141 0 W. 137 56 W. 6 0 E.
Q. Charlottes’s Isl.  June 8. 19 18 S. 141 4 W. 138 4 W. 5 20 E.
Egmont Island June 11. 19 20 S. 141 27 W. 138 30 W. 6 0 E.
D. of Glouces.  Isl.  June 12. 19 11 S. 143 8 W. 140 6 W. 7 10 E.
D. of Cumtberl.  Isl.  June 13. 19 18 S. 143 44 W. 140 34 W. 7 0 E.
Pr.  Wm. Henry’s Isl.  June 15. 19 0 S. 144 4 W. 141 6 W. 7 0 E.
Osnaburgh Island June 17. 17 51 S. 150 27 W. 147 30 W. 6 0 E.
K. Geo. } S.E. end June 19. 17 48 S. 151 30 W. 148 15 W. 6 0 E.
III’s Isl.} N.W. end July 4. 17 30 S. 152 0 W. 150 0 W. 5 50 E.
D. of York’s Island July 27. 17 28 S. 152