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 126
the celes- p tial equator VQM; -~ PQ, the celestial meridian ; and i PiVI, PS, and PV declination circles. \i\- Let PM be the declination circle of themean sun. PS, the dechnation circle of other heavenlybodies. V, the vernal equinox. Then, QPM, or QM, is the hour angle■ of the mean sun. QPS, or… … Art. 242. To find the hour angle of the Sim for a given time and place. Rule. The apparent time is the hour angle of the sun, and if mean time is given apply to it the equation oftime to find the hour angle. It is reckoned from the upper meridian westward through 24. If the hour angle isrequired…
Navigation · Nautical astronomy
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
