. A directory for the North Atlantic Ocean, comprising instructions general and particular for its navigation. Pilot guides. GEOGEAPHICAL POSITIONS. i9 NOTES. 1. Porto Praya.—The longitude of this place appears to be well determined, particular attention having been directed to it by many of our most skilful navigators. Captain FitzEoy placed the West point or landing-place on Quail Island (called also Gun Point"), at Porto Praya, in longitude 23° 30' 0" W. Captam P, P. King made it 23° 80' 17" ; Captain Vidal, 23° 31' 28"; and Captain Owen, 23° 31' 3" ; therefore, 23°
. A directory for the North Atlantic Ocean, comprising instructions general and particular for its navigation. Pilot guides. GEOGEAPHICAL POSITIONS. i9 NOTES. 1. Porto Praya.—The longitude of this place appears to be well determined, particular attention having been directed to it by many of our most skilful navigators. Captain FitzEoy placed the West point or landing-place on Quail Island (called also Gun Point"), at Porto Praya, in longitude 23° 30' 0" W. Captam P, P. King made it 23° 80' 17" ; Captain Vidal, 23° 31' 28"; and Captain Owen, 23° 31' 3" ; therefore, 23° 30' 34", the longitude formerly assigned to it by Mr. Pvu-dy, in previous editions of this work, cannot be far from the truth. Telegraphic observations by MM. de Sugny and Garnier, 1885, place the flagstaff on Quail Island as 6° 4' 49-6" West of Dakar East jetty, which would make it 23° 30' 17" West of Greenwich. 2. St. Vincent.—The position of the flagstaff in front of the Brasilian Submarine Telegraph Company's Office was determined, by telegraphic means, by United States ofiScers, in 1878 and 1879, in eormection with the establishment of secondary meridians on the East Coast of South America, to be in long. 24° 59' 22-3" W., or about 1' 50" eastward of the position previously given. The latitude is 16° 53' 20*12" N. 3. Captain King made Terrafal Bay, at the end, by eleven chronometers, in longitude 25° 20' 1"; Captaui Owen made it 26° 21' 42"; and Captain Foster, 25° 22' 56" the mean from these being about 25° 21' 30"; and the West point, 25° 23' 10". The Variation of the Compass is increasing among the Cape Verde Islands, at the rata of about 1' per annum. 12. THE F^ROE ISLES, ICELAND, GREENLAND, LABRADOR, AND The FiEPtOE ISLANDS Munken Islet Sudero, Porkerji Sando, Village of Sand . Waago, Sorwaag Myggenses, West point . Stromo, Thorshavn Ostero, Ristang or N. Point Fuglo, East po
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