The elements of navigation : containing the theory and practice, with all the necessary tables, to which is added, a treatise of marine fortification ... (1754)
Robertson, J. (John), 1712-1776, Adams, Charles Francis, 1807-1886, former owner. BRL, Adams, John, 1735-1826, former owner. BRL, Boston Public Library) John Adams Library BRL · London : Printed for J. Nourse ... · leaf 310
d the place of the wind, witkcourfe and diftance en each of two boards to gain her port; and alft %bearing and diftance from the port when foe firft faw the beacons ? The conftruclion and folution of this queftion being not much utthe two lair, they are here omitted to exercife the learners (kill.… … t/Jef/rlytJ asuth 1ayc a8z. PLANE SAILING. 2S3 SECTION VIII. Of failing in currents. I706. A Current or Tide is a progreflive motion of the water,[ufing all floating bodies to move that way, towards which the ftreamI directed. The fitting of a tide, or current, is that point of the compafs…
Navigation · Nautical astronomy · Fortification
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