American practical navigator: an epitome of navigation and nautical astronomy (1914)
Bowditch, Nathaniel, 1773-1838, United States. Navy Dept. Bureau of Equipment, Logan, George Wood, 1868-1915 · Washington, Govt. Print. Off. · leaf 67
ty, andthe following table is a collection of solutions of this relation in which the pairs ofbearings are such that, when observed in succession from ahead upon the same fixedobject, the distance run between the bearings will be equal to the distance of the fixedobject when it bears abeam,… … Fig. 18. First. Second. First. Second. First. Second. 20 29 J 28 48i 37 71f 21 m *29 51 38 74i *22 34 30 53r 39 76i 23 36i 31 56i *40 79 24 38i *32 59 41 8H *25 41 33 6H 42 83i 26 A^ 34 U\ 43 85i 26i 45 35 66i *44 88 *27 46 36 69i *45 90 When the fitxed object bears as per any entry of the fii-st…
Navigation · Nautical astronomy
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