The American practical navigator : being an epitome of navigation and nautical astronomy (1888)
Bowditch, Nathaniel, 1773-1838, United States. Navy Dept. Bureau of Navigation, Cooper, Philip Henry, 1844-1912 · Washington : Govt. Print. Off. · leaf 233
f month, 25. Obs. Mean timeReading Barom-eter. CLOUDS. of Obser- OF Tide Wind. Thermometer. vation. Staff. G U K Ph s < TS Course of— u5 u • r-l 4-* 0 Q d Q 1 V p < < 000 in wK < 1/1 <Pi 0 a, Mean Low Wat er, V9 8 30 45 44 46 West 2 9 00 15 3045 45 I 926 G 10 GO 15 30 45 b677 4827 II… … Oz RUNNING SURVEY. SURVEYING. 189 PLOTTING. Art. 434. The best method is to calculate the length of one of the longest sides of the triangles to startwith in i)lotting. When it is intended to do this, also observe and calculate the Astronomical Bearing of this side.But if there is not time for…
Navigation · Nautical astronomy
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