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 33
in. At 12 or lAffcthoniB from the Log Ship the line is marked with a strip of Rag ; this is called the Stray line, whichenables the Log to go clear of the Ship before the time is counted, or the Glass turned. From this marhthe line is measured and divided into Knota and Half Knots, and marked at… … As tLe Ship8 Course is sometimes expressed in Points and sometimes in Degrees, the foDowiiig Tabi»ill be found useful for reference. 1 ROBTH A.fD KAST. NORTH AND WEST. SOOTH AND EAST. (ODTB AND WEST. POINTS. D. H. ■. North. N.JE.N. ♦E.N. f E. North. N. i W.N. i W. N j W. Soiiih. S. iK.S. i E.S. JE.…
Navigation · Nautical astronomy
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