A new treatise on the practice of navigation at sea : containing all the details necessary to enable the mariner to become a good practical navigator. (1902)
Thoms, William · New York : Printed for the author and sold by John Bliss & Co · leaf 31
ude 18* 30 E. Oape St Roque 86 17 W. Difference of Longitude, 63* 47. EXAMPLE 8. A Ship sails from Longitude 60* 10 W. to 60° 80*W, find the difference of Longitude. Longitude left 60* 10 W. Longitude in .60 30 W. Difference of Longitude.. 10* 20. EXAMPLE 4. A Ship sails from Longitude 6° 40 W. to… … NoTB.—A Ship in East Longitude sailing East, or in West Longkuda sailing We8t, increases her Longitude, b-n irBut Longitude sailing West, or in West Longitude sailin^r Eastj she dimir.iahea her longitude ; and when the Loniride exoeedg 180, subtract it from 860, will give the Longitude m of a…
Navigation · Nautical astronomy
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