American practical navigator: an epitome of navigation and nautical astronomy (1914)
Bowditch, Nathaniel, 1773-1838, Logan, George Wood, 1868-1915, United States. Navy Dept. Bureau of Equipment · Washington, Govt. Print. Off · leaf 220
Anticyclonic. Cyclonic. SOUTHERN HEMISPHERE.FIG. 7\ The light arrows show the direction of the gradients; the heavy arrows the direction of the winds. 475. CYCLONES AND CYCLONIC CIRCULATIONS.—A central area of low barometerwill thus be surrounded by a system of winds which constantly draw in toward…
Navigation · Nautical astronomy
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