[Coffin, John Huntington Crane], 1815-1890. [from old catalog] · New York, D. Van Nostrand · leaf 23
16 NAVIGATION. … Fig. 6. erse sailing, and then D by regarding p as on some parallelmidway between the extremes of the traverse. (Art. 8.)(Bowd., p. 264.) 12. The relations of the quantities involved in middlelatitude sailing, namely, (7, d, p, I, X0, and D,are represented graphically by combin-ing the two…
Navigation · Nautical astronomy
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